{"id":3837,"date":"2026-02-16T19:15:26","date_gmt":"2026-02-16T19:15:26","guid":{"rendered":"https:\/\/science.gsfc.nasa.gov\/stella\/?page_id=3837"},"modified":"2026-03-22T17:14:34","modified_gmt":"2026-03-22T17:14:34","slug":"stella-1-2","status":"publish","type":"page","link":"https:\/\/science.gsfc.nasa.gov\/stella\/instruments\/stella-1-2\/","title":{"rendered":"STELLA-1.2"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"3837\" class=\"elementor elementor-3837\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dcd9256 e-flex e-con-boxed e-con e-parent\" data-id=\"dcd9256\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a213aae elementor-widget__width-inherit elementor-widget elementor-widget-heading\" data-id=\"a213aae\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">STELLA-1.2 Base Platform<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c392c7b elementor-align-left elementor-widget elementor-widget-button\" data-id=\"c392c7b\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#build\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-wrench\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M507.73 109.1c-2.24-9.03-13.54-12.09-20.12-5.51l-74.36 74.36-67.88-11.31-11.31-67.88 74.36-74.36c6.62-6.62 3.43-17.9-5.66-20.16-47.38-11.74-99.55.91-136.58 37.93-39.64 39.64-50.55 97.1-34.05 147.2L18.74 402.76c-24.99 24.99-24.99 65.51 0 90.5 24.99 24.99 65.51 24.99 90.5 0l213.21-213.21c50.12 16.71 107.47 5.68 147.37-34.22 37.07-37.07 49.7-89.32 37.91-136.73zM64 472c-13.25 0-24-10.75-24-24 0-13.26 10.75-24 24-24s24 10.74 24 24c0 13.25-10.75 24-24 24z\"><\/path><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Start Building <\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1cf5fd2 e-flex e-con-boxed e-con e-parent\" data-id=\"1cf5fd2\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-e551ad1 e-con-full e-flex e-con e-child\" data-id=\"e551ad1\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ab9ad82 elementor-widget elementor-widget-button\" data-id=\"ab9ad82\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#build\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Build<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4487177 e-con-full e-flex e-con e-child\" data-id=\"4487177\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-37acc84 elementor-widget elementor-widget-button\" data-id=\"37acc84\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#operation\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Operation<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3689591 e-flex e-con-boxed e-con e-parent\" data-id=\"3689591\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-5d3f5d0 e-con-full e-flex e-con e-child\" data-id=\"5d3f5d0\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c149f4f elementor-widget elementor-widget-text-editor\" data-id=\"c149f4f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"mb-2 whitespace-pre-wrap\">The <strong>STELLA-1.2 Base Platform<\/strong> is a modular foundation for monitoring, featuring GPS positioning, onboard data logging, real-time display, and audible feedback (beeper) for user responsiveness. This versatile computing core accepts interchangeable sensor module plugins, allowing users to configure the instrument for different applications by simply swapping sensor packages in and out. Following our soft launch beta program, we incorporated extensive user testing and feedback to create the official STELLA-1.2 with redesigned 3D-printed housing featuring improved manufacturing tolerances, enhanced structural integrity, and better environmental protection for field deployments.<\/p><p><strong>Important for beta users<\/strong>: The official STELLA-1.2 and plugins require a new 3D printed housing and is <strong>not compatible with beta sensor modules<\/strong>. A <strong><a href=\"https:\/\/youtu.be\/PD5MnGaQ8Qw?si=3QrxKUZGA9z6hdG_\" target=\"_blank\" rel=\"noopener\">conversion video<\/a><\/strong> guides beta testers through rewiring for the new platform.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-257c717 elementor-widget elementor-widget-heading\" data-id=\"257c717\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Modules<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a07722f elementor-widget elementor-widget-text-editor\" data-id=\"a07722f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong><a href=\"https:\/\/science.gsfc.nasa.gov\/stella\/instruments\/stella-1-2\/stella-rs-module\/\">STELLA-RS (Remote Sensing)<\/a><\/strong><\/p><p><a href=\"https:\/\/science.gsfc.nasa.gov\/stella\/instruments\/stella-1-2\/stella-aa1-module\/\">STELLA-AA1 (Air Analyzer 1)\u00a0<\/a><\/p><p><a href=\"https:\/\/science.gsfc.nasa.gov\/stella\/instruments\/stella-1-2\/stella-prototyping-module\/\">STELLA-Prototyping<\/a><\/p><p>STELLA-Lab_Spec (Excitation Spectrometer) **coming soon**<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ae80118 e-con-full e-flex e-con e-child\" data-id=\"ae80118\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cc3324b elementor-widget elementor-widget-heading\" data-id=\"cc3324b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">STELLA-1.2 Highlights<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5cd8195 premium-blog-align-left elementor-widget elementor-widget-premium-addon-blog\" data-id=\"5cd8195\" data-element_type=\"widget\" data-settings=\"{&quot;scroll_to_offset&quot;:&quot;yes&quot;}\" data-widget_type=\"premium-addon-blog.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t\t\t<div class=\"premium-blog-wrap  premium-blog-list\" data-page=\"3837\" data-pagination=\"true\">\n\t\t\t\t\t<div class=\"premium-blog-post-outer-container\" data-total=\"3\">\r\n\t\t\t<div class=\"premium-blog-post-container premium-blog-skin-side\">\r\n\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumb-effect-wrapper\">\r\n\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-container premium-blog-bright-effect\">\r\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"2560\" height=\"1398\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA-1_2_snap2-1-scaled.png\" class=\"attachment-full size-full wp-image-4080\" alt=\"STELLA-1.2 modular instrument platform\" srcset=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA-1_2_snap2-1-scaled.png 2560w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA-1_2_snap2-1-300x164.png 300w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA-1_2_snap2-1-1024x559.png 1024w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA-1_2_snap2-1-768x419.png 768w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA-1_2_snap2-1-1536x839.png 1536w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA-1_2_snap2-1-2048x1118.png 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/>\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-overlay\">\r\n\t\t\t\t\t\t\t\t<a class=\"elementor-icon\" href=\"https:\/\/science.gsfc.nasa.gov\/stella\/stella-1-2-launch\/\" target=\"_self\"><\/a>\r\n\t\t\t\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-content-wrapper \">\r\n\r\n\t\t\t\t\t<div class=\"premium-blog-inner-container\">\r\n\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h2 class=\"premium-blog-entry-title\">\r\n\t\t\t<a href=\"https:\/\/science.gsfc.nasa.gov\/stella\/stella-1-2-launch\/\" target=\"_self\">\r\n\t\t\t\tSTELLA-1.2 Official Launch: Earth Science Workforce Development\t\t\t<\/a>\r\n\t\t<\/h2>\r\n\t\t\t\t<div class=\"premium-blog-entry-meta\">\r\n\t\t\t\r\n\t\t\t\t\t\t\t<span class=\"premium-blog-meta-separator\">\u2022<\/span>\r\n\t\t\t\t<div class=\"premium-blog-post-time premium-blog-meta-data\">\r\n\t\t\t\t\t<i class=\"fa fa-calendar-alt\" aria-hidden=\"true\"><\/i>\r\n\t\t\t\t\t<span>February 24, 2026<\/span>\r\n\t\t\t\t<\/div>\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\t<\/div>\r\n\t\t\r\n\t\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t\t<div class=\"premium-blog-content-inner-wrapper\">\r\n\t\t<p class=\"premium-blog-post-content\">NASA scientists and engineers at Goddard Space Flight Center, led by Paul Mirel and Mike \u2026<\/p>\t\t<\/div>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\r\n\t\t\t\t<div class=\"premium-blog-post-outer-container\" data-total=\"3\">\r\n\t\t\t<div class=\"premium-blog-post-container premium-blog-skin-side\">\r\n\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumb-effect-wrapper\">\r\n\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-container premium-blog-bright-effect\">\r\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1920\" height=\"1080\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/01\/STELLA_bg_rs_Elisa_Mai.png\" class=\"attachment-full size-full wp-image-3762\" alt=\"Elisa Mae with STELLA backdrop\" srcset=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/01\/STELLA_bg_rs_Elisa_Mai.png 1920w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/01\/STELLA_bg_rs_Elisa_Mai-300x169.png 300w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/01\/STELLA_bg_rs_Elisa_Mai-1024x576.png 1024w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/01\/STELLA_bg_rs_Elisa_Mai-768x432.png 768w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/01\/STELLA_bg_rs_Elisa_Mai-1536x864.png 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/>\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-overlay\">\r\n\t\t\t\t\t\t\t\t<a class=\"elementor-icon\" href=\"https:\/\/science.gsfc.nasa.gov\/stella\/from-orbit-to-earth-agricultural-workforce-development-using-real-time-spectrometry\/\" target=\"_self\"><\/a>\r\n\t\t\t\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-content-wrapper \">\r\n\r\n\t\t\t\t\t<div class=\"premium-blog-inner-container\">\r\n\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h2 class=\"premium-blog-entry-title\">\r\n\t\t\t<a href=\"https:\/\/science.gsfc.nasa.gov\/stella\/from-orbit-to-earth-agricultural-workforce-development-using-real-time-spectrometry\/\" target=\"_self\">\r\n\t\t\t\tFrom Orbit to Earth: Agricultural Workforce Development using Real-Time Spectrometry\t\t\t<\/a>\r\n\t\t<\/h2>\r\n\t\t\t\t<div class=\"premium-blog-entry-meta\">\r\n\t\t\t\r\n\t\t\t\t\t\t\t<span class=\"premium-blog-meta-separator\">\u2022<\/span>\r\n\t\t\t\t<div class=\"premium-blog-post-time premium-blog-meta-data\">\r\n\t\t\t\t\t<i class=\"fa fa-calendar-alt\" aria-hidden=\"true\"><\/i>\r\n\t\t\t\t\t<span>January 17, 2026<\/span>\r\n\t\t\t\t<\/div>\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\t<\/div>\r\n\t\t\r\n\t\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t\t<div class=\"premium-blog-content-inner-wrapper\">\r\n\t\t<p class=\"premium-blog-post-content\">At Garden City Community College in Kansas, Assistant Professor Elisa Mai integrated STELLA spectrometers into \u2026<\/p>\t\t<\/div>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\r\n\t\t\t\t<div class=\"premium-blog-post-outer-container\" data-total=\"3\">\r\n\t\t\t<div class=\"premium-blog-post-container premium-blog-skin-side\">\r\n\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumb-effect-wrapper\">\r\n\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-container premium-blog-bright-effect\">\r\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"700\" height=\"467\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/01\/543345591_1611099696941137_91242559223956439_n.webp\" class=\"attachment-full size-full wp-image-3719\" alt=\"Garden City Community College (GCCC) students gather data in an irrigated Kansas corn field. Photo courtesy of GCCC.\" srcset=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/01\/543345591_1611099696941137_91242559223956439_n.webp 700w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/01\/543345591_1611099696941137_91242559223956439_n-300x200.webp 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/>\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-overlay\">\r\n\t\t\t\t\t\t\t\t<a class=\"elementor-icon\" href=\"https:\/\/science.gsfc.nasa.gov\/stella\/garden-city-community-college-completes-pilot-course-with-nasa-acres\/\" target=\"_self\"><\/a>\r\n\t\t\t\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-content-wrapper \">\r\n\r\n\t\t\t\t\t<div class=\"premium-blog-inner-container\">\r\n\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h2 class=\"premium-blog-entry-title\">\r\n\t\t\t<a href=\"https:\/\/science.gsfc.nasa.gov\/stella\/garden-city-community-college-completes-pilot-course-with-nasa-acres\/\" target=\"_self\">\r\n\t\t\t\tGarden City Community College Completes Pilot Course with NASA Acres\t\t\t<\/a>\r\n\t\t<\/h2>\r\n\t\t\t\t<div class=\"premium-blog-entry-meta\">\r\n\t\t\t\r\n\t\t\t\t\t\t\t<span class=\"premium-blog-meta-separator\">\u2022<\/span>\r\n\t\t\t\t<div class=\"premium-blog-post-time premium-blog-meta-data\">\r\n\t\t\t\t\t<i class=\"fa fa-calendar-alt\" aria-hidden=\"true\"><\/i>\r\n\t\t\t\t\t<span>December 15, 2025<\/span>\r\n\t\t\t\t<\/div>\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t\t\t<\/div>\r\n\t\t\r\n\t\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t\t<div class=\"premium-blog-content-inner-wrapper\">\r\n\t\t<p class=\"premium-blog-post-content\">Garden City Community College (GCCC) in Garden City, Kansas has successfully concluded the first offering \u2026<\/p>\t\t<\/div>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\r\n\t\t\t\t<\/div>\n\n\t\t\t\t<div class=\"premium-blog-footer\">\n\t\t\t\t\t\t<nav class=\"premium-blog-pagination-container\" role=\"navigation\" aria-label=\"Pagination\">\r\n\t\t\t\t<span aria-current=\"page\" class=\"page-numbers current\">1<\/span>\n<a class=\"page-numbers\" href=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-json\/wp\/v2\/pages\/3837\/page\/2\/\">2<\/a>\n<a class=\"page-numbers\" href=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-json\/wp\/v2\/pages\/3837\/page\/3\/\">3<\/a>\n<a class=\"next page-numbers\" href=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-json\/wp\/v2\/pages\/3837\/page\/2\/\">Next \u00bb<\/a>\t\t\t<\/nav>\r\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e0f128d e-flex e-con-boxed e-con e-parent\" data-id=\"e0f128d\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c90dcec elementor-widget__width-inherit elementor-hidden-mobile elementor-widget elementor-widget-premium-addon-image-button\" data-id=\"c90dcec\" data-element_type=\"widget\" data-widget_type=\"premium-addon-image-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<a class=\"premium-image-button-none premium-image-button premium-btn-sm premium-image-button-none\" href=\"\/stella\/downloads\/\">\n\t\t\t<div class=\"premium-image-button-text-icon-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<svg class=\"premium-svg-nodraw premium-drawable-icon e-font-icon-svg e-fas-file-download\" aria-hidden=\"true\" viewBox=\"0 0 384 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224 136V0H24C10.7 0 0 10.7 0 24v464c0 13.3 10.7 24 24 24h336c13.3 0 24-10.7 24-24V160H248c-13.2 0-24-10.8-24-24zm76.45 211.36l-96.42 95.7c-6.65 6.61-17.39 6.61-24.04 0l-96.42-95.7C73.42 337.29 80.54 320 94.82 320H160v-80c0-8.84 7.16-16 16-16h32c8.84 0 16 7.16 16 16v80h65.18c14.28 0 21.4 17.29 11.27 27.36zM377 105L279.1 7c-4.5-4.5-10.6-7-17-7H256v128h128v-6.1c0-6.3-2.5-12.4-7-16.9z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t<span >\n\t\t\t\t\t\tDownload STELLA-1.2 Files\t\t\t\t\t<\/span>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t<\/a>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-35210f1 elementor-widget__width-inherit elementor-hidden-desktop elementor-hidden-tablet elementor-widget elementor-widget-premium-addon-image-button\" data-id=\"35210f1\" data-element_type=\"widget\" data-widget_type=\"premium-addon-image-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<a class=\"premium-image-button-none premium-image-button premium-btn-sm premium-image-button-none\" href=\"\/stella\/downloads\/\">\n\t\t\t<div class=\"premium-image-button-text-icon-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<svg class=\"premium-svg-nodraw premium-drawable-icon e-font-icon-svg e-fas-file-download\" aria-hidden=\"true\" viewBox=\"0 0 384 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224 136V0H24C10.7 0 0 10.7 0 24v464c0 13.3 10.7 24 24 24h336c13.3 0 24-10.7 24-24V160H248c-13.2 0-24-10.8-24-24zm76.45 211.36l-96.42 95.7c-6.65 6.61-17.39 6.61-24.04 0l-96.42-95.7C73.42 337.29 80.54 320 94.82 320H160v-80c0-8.84 7.16-16 16-16h32c8.84 0 16 7.16 16 16v80h65.18c14.28 0 21.4 17.29 11.27 27.36zM377 105L279.1 7c-4.5-4.5-10.6-7-17-7H256v128h128v-6.1c0-6.3-2.5-12.4-7-16.9z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t<span >\n\t\t\t\t\t\tDownload STELLA-1.2 Files\t\t\t\t\t<\/span>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t<\/a>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f5935aa e-flex e-con-boxed e-con e-parent\" data-id=\"f5935aa\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-fbb66b4 e-con-full e-flex e-con e-child\" data-id=\"fbb66b4\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f92c6de elementor-widget elementor-widget-heading\" data-id=\"f92c6de\" data-element_type=\"widget\" id=\"build\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">STELLA-1.2 Base Platform<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d71681e e-con-full e-flex e-con e-child\" data-id=\"d71681e\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-2ce423f e-con-full e-flex e-con e-child\" data-id=\"2ce423f\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f737e41 e-n-tabs-mobile elementor-widget elementor-widget-n-tabs\" data-id=\"f737e41\" data-element_type=\"widget\" data-settings=\"{&quot;tabs_justify_horizontal&quot;:&quot;center&quot;,&quot;horizontal_scroll&quot;:&quot;disable&quot;}\" data-widget_type=\"nested-tabs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-tabs\" data-widget-number=\"259227201\" aria-label=\"Tabs. Open items with Enter or Space, close with Escape and navigate using the Arrow keys.\">\n\t\t\t<div class=\"e-n-tabs-heading\" role=\"tablist\">\n\t\t\t\t\t<button id=\"e-n-tab-title-2592272011\" class=\"e-n-tab-title\" aria-selected=\"true\" data-tab-index=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"e-n-tab-content-2592272011\" style=\"--n-tabs-title-order: 1;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tStep 1. Parts Needed\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t<button id=\"e-n-tab-title-2592272012\" class=\"e-n-tab-title\" aria-selected=\"false\" data-tab-index=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"e-n-tab-content-2592272012\" style=\"--n-tabs-title-order: 2;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tStep 2. Build and Programming Instructions \t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t\t<\/div>\n\t\t\t<div class=\"e-n-tabs-content\">\n\t\t\t\t<div id=\"e-n-tab-content-2592272011\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-2592272011\" data-tab-index=\"1\" style=\"--n-tabs-title-order: 1;\" class=\"e-active elementor-element elementor-element-1021159 e-con-full e-flex e-con e-child\" data-id=\"1021159\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3686d2f elementor-widget elementor-widget-heading\" data-id=\"3686d2f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Commercial Off The Shelf (COTS) Parts<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-74965a1 elementor-widget elementor-widget-shortcode\" data-id=\"74965a1\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\n<table id=\"tablepress-9\" class=\"tablepress tablepress-id-9\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\"><strong>Line<\/strong><\/th><th class=\"column-2\"><strong>Description<\/strong><\/th><th class=\"column-3\"><strong>Quantity each<\/strong><\/th><th class=\"column-4\"><strong>Manufacturer\/ Vendor<\/strong><\/th><th class=\"column-5\"><strong>Manufacturer PN<\/strong><\/th><th class=\"column-6\"><strong>Unit Price<\/strong><\/th><th class=\"column-7\"><strong><\/strong><\/th><th class=\"column-8\"><strong><\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"row-2\">\n\t<td class=\"column-1\"><strong>1<\/strong><\/td><td class=\"column-2\"><strong>Permaproto board, full size<\/strong><\/td><td class=\"column-3\">1<\/td><td class=\"column-4\">Adafruit<\/td><td class=\"column-5\">1606<\/td><td class=\"column-6\">7<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\"><strong>2<\/strong><\/td><td class=\"column-2\"><strong>Feather ESP32-S3<\/strong><\/td><td class=\"column-3\">1<\/td><td class=\"column-4\">Adafruit<\/td><td class=\"column-5\">5477<\/td><td class=\"column-6\">18<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\"><strong>3<\/strong><\/td><td class=\"column-2\"><strong>rotary encoder with knob<\/strong><\/td><td class=\"column-3\">1<\/td><td class=\"column-4\">Adafruit<\/td><td class=\"column-5\">377<\/td><td class=\"column-6\">5<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\"><strong>4<\/strong><\/td><td class=\"column-2\"><strong>POPO power button switch<\/strong><\/td><td class=\"column-3\">1<\/td><td class=\"column-4\">Digikey<\/td><td class=\"column-5\">CW181-ND<\/td><td class=\"column-6\">2<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\"><strong>5<\/strong><\/td><td class=\"column-2\"><strong>Eyespi breakout board<\/strong><\/td><td class=\"column-3\">1<\/td><td class=\"column-4\">Adafruit<\/td><td class=\"column-5\">5613<\/td><td class=\"column-6\">2<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\"><strong>6<\/strong><\/td><td class=\"column-2\"><strong>Eyespi cable, 100mm<\/strong><\/td><td class=\"column-3\">1<\/td><td class=\"column-4\">Adafruit<\/td><td class=\"column-5\">5239<\/td><td class=\"column-6\">1<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-8\">\n\t<td class=\"column-1\"><strong>7<\/strong><\/td><td class=\"column-2\"><strong>Cap touch TFT display<\/strong><\/td><td class=\"column-3\">1<\/td><td class=\"column-4\">Adafruit<\/td><td class=\"column-5\">2090<\/td><td class=\"column-6\">30<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-9\">\n\t<td class=\"column-1\"><strong>8<\/strong><\/td><td class=\"column-2\"><strong>SD card module<\/strong><\/td><td class=\"column-3\">1<\/td><td class=\"column-4\">Adafruit<\/td><td class=\"column-5\">4682<\/td><td class=\"column-6\">4<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-10\">\n\t<td class=\"column-1\"><strong>9<\/strong><\/td><td class=\"column-2\"><strong>8GB micro SD card<\/strong><\/td><td class=\"column-3\">1<\/td><td class=\"column-4\">Adafruit<\/td><td class=\"column-5\">1294<\/td><td class=\"column-6\">10<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-11\">\n\t<td class=\"column-1\"><strong>10<\/strong><\/td><td class=\"column-2\"><strong>Ultimate GPS breakout<\/strong><\/td><td class=\"column-3\">1<\/td><td class=\"column-4\">Adafruit<\/td><td class=\"column-5\">5440<\/td><td class=\"column-6\">30<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-12\">\n\t<td class=\"column-1\"><strong>11<\/strong><\/td><td class=\"column-2\"><strong>0.1uF capacitor<\/strong><\/td><td class=\"column-3\">1<\/td><td class=\"column-4\">Digikey<\/td><td class=\"column-5\">C315C104M5U5TA7303<\/td><td class=\"column-6\">0<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-13\">\n\t<td class=\"column-1\"><strong>12<\/strong><\/td><td class=\"column-2\"><strong>PCF8523 RTC clock module<\/strong><\/td><td class=\"column-3\">1<\/td><td class=\"column-4\">Adafruit<\/td><td class=\"column-5\">5189<\/td><td class=\"column-6\">5<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-14\">\n\t<td class=\"column-1\"><strong>13<\/strong><\/td><td class=\"column-2\"><strong>10k\u03a9 resistor<\/strong><\/td><td class=\"column-3\">3<\/td><td class=\"column-4\">Digikey<\/td><td class=\"column-5\">RNF18FTD10K0CT-ND<\/td><td class=\"column-6\">0<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-15\">\n\t<td class=\"column-1\"><strong>14<\/strong><\/td><td class=\"column-2\"><strong>CR1220 coin cell battery<\/strong><\/td><td class=\"column-3\">2<\/td><td class=\"column-4\">Adafruit<\/td><td class=\"column-5\">380<\/td><td class=\"column-6\">2<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-16\">\n\t<td class=\"column-1\"><strong>15<\/strong><\/td><td class=\"column-2\"><strong>TPS61023 5V 1A boost<\/strong><\/td><td class=\"column-3\">1<\/td><td class=\"column-4\">Adafruit<\/td><td class=\"column-5\">4654<\/td><td class=\"column-6\">4<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-17\">\n\t<td class=\"column-1\"><strong>16<\/strong><\/td><td class=\"column-2\"><strong>Qwiic cable 100mm<\/strong><\/td><td class=\"column-3\">1<\/td><td class=\"column-4\">Adafruit<\/td><td class=\"column-5\">4210<\/td><td class=\"column-6\">1<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-18\">\n\t<td class=\"column-1\"><strong>17<\/strong><\/td><td class=\"column-2\"><strong>2200 mAh cylindrical battery (alt bat)<\/strong><\/td><td class=\"column-3\">0<\/td><td class=\"column-4\">Adafruit<\/td><td class=\"column-5\">1781<\/td><td class=\"column-6\">10<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-19\">\n\t<td class=\"column-1\"><strong>18<\/strong><\/td><td class=\"column-2\"><strong>4400 mAh battery pack (alt bat)<\/strong><\/td><td class=\"column-3\">0<\/td><td class=\"column-4\">Adafruit<\/td><td class=\"column-5\">354<\/td><td class=\"column-6\">20<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-20\">\n\t<td class=\"column-1\"><strong>19<\/strong><\/td><td class=\"column-2\"><strong>6600 mAh battery pack (first choice bat)<\/strong><\/td><td class=\"column-3\">1<\/td><td class=\"column-4\">Adafruit<\/td><td class=\"column-5\">353<\/td><td class=\"column-6\">25<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-21\">\n\t<td class=\"column-1\"><strong>20<\/strong><\/td><td class=\"column-2\"><strong>magnet connector pair, RA, 4 positions<\/strong><\/td><td class=\"column-3\">1<\/td><td class=\"column-4\">Adafruit<\/td><td class=\"column-5\">5358<\/td><td class=\"column-6\">7<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-22\">\n\t<td class=\"column-1\"><strong>21<\/strong><\/td><td class=\"column-2\"><strong>magnet connector pair, RA, 3 positions<\/strong><\/td><td class=\"column-3\">1<\/td><td class=\"column-4\">Adafruit<\/td><td class=\"column-5\">5360<\/td><td class=\"column-6\">6<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-23\">\n\t<td class=\"column-1\"><strong>22<\/strong><\/td><td class=\"column-2\"><strong>USB C cable<\/strong><\/td><td class=\"column-3\">1<\/td><td class=\"column-4\">Digikey<\/td><td class=\"column-5\">1568-CAB-16905-ND<\/td><td class=\"column-6\">5<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-24\">\n\t<td class=\"column-1\"><strong>23<\/strong><\/td><td class=\"column-2\"><strong>Qwiic buzzer<\/strong><\/td><td class=\"column-3\">1<\/td><td class=\"column-4\">Digikey<\/td><td class=\"column-5\"><span style=\"color:#444444;\">1568-24474-ND<\/span><\/td><td class=\"column-6\">11<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-25\">\n\t<td class=\"column-1\"><strong>24<\/strong><\/td><td class=\"column-2\">1\/4-20 Hex Nut 7\/16 wide x 7\/32 thick<\/td><td class=\"column-3\">1<\/td><td class=\"column-4\">McMaster Carr<\/td><td class=\"column-5\">95462A029<\/td><td class=\"column-6\">0.09<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-26\">\n\t<td class=\"column-1\"><strong>25<\/strong><\/td><td class=\"column-2\">Purse Strap<\/td><td class=\"column-3\">1<\/td><td class=\"column-4\">Amazon<\/td><td class=\"column-5\"><\/td><td class=\"column-6\">10<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-27\">\n\t<td class=\"column-1\"><strong>Total<\/strong><\/td><td class=\"column-2\"><strong><\/strong><\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><span style=\"color:#444444;\"><\/span><\/td><td class=\"column-6\">185<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-9 from cache --><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6806763 elementor-widget elementor-widget-heading\" data-id=\"6806763\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3D Printed Parts<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a0c0c61 elementor-widget elementor-widget-image\" data-id=\"a0c0c61\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"551\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA1_2-3D_print_labels-768x551.png\" class=\"attachment-medium_large size-medium_large wp-image-3966\" alt=\"3D prints for STELLA-12 base module including RS module\" srcset=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA1_2-3D_print_labels-768x551.png 768w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA1_2-3D_print_labels-300x215.png 300w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA1_2-3D_print_labels-1024x734.png 1024w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA1_2-3D_print_labels-1536x1101.png 1536w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA1_2-3D_print_labels-2048x1468.png 2048w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d6d2af2 elementor-widget elementor-widget-shortcode\" data-id=\"d6d2af2\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\n<table id=\"tablepress-14\" class=\"tablepress tablepress-id-14\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Line<\/th><th class=\"column-2\">Description<\/th><th class=\"column-3\">Quantity<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"row-2\">\n\t<td class=\"column-1\">1<\/td><td class=\"column-2\">Lower housing<\/td><td class=\"column-3\">1<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">2<\/td><td class=\"column-2\">Upper Housing<\/td><td class=\"column-3\">1<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">3<\/td><td class=\"column-2\">Tail lights<\/td><td class=\"column-3\">1<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">4<\/td><td class=\"column-2\">Rec window<\/td><td class=\"column-3\">1<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">5<\/td><td class=\"column-2\">GPS window<\/td><td class=\"column-3\">1<\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">6<\/td><td class=\"column-2\">clock spacer<\/td><td class=\"column-3\">1<\/td>\n<\/tr>\n<tr class=\"row-8\">\n\t<td class=\"column-1\">7<\/td><td class=\"column-2\">swing door<\/td><td class=\"column-3\">1<\/td>\n<\/tr>\n<tr class=\"row-9\">\n\t<td class=\"column-1\">8<\/td><td class=\"column-2\">Qwiic Buzzer retainer<\/td><td class=\"column-3\">1<\/td>\n<\/tr>\n<tr class=\"row-10\">\n\t<td class=\"column-1\">9<\/td><td class=\"column-2\">Assembly fixture<\/td><td class=\"column-3\">1<\/td>\n<\/tr>\n<tr class=\"row-11\">\n\t<td class=\"column-1\">10<\/td><td class=\"column-2\">magnet coupler alignment fixture for main body w flats<\/td><td class=\"column-3\">2<\/td>\n<\/tr>\n<tr class=\"row-12\">\n\t<td class=\"column-1\">11<\/td><td class=\"column-2\">SD Card Alignment<\/td><td class=\"column-3\">1<\/td>\n<\/tr>\n<tr class=\"row-13\">\n\t<td class=\"column-1\">12<\/td><td class=\"column-2\">GPS card alignment<\/td><td class=\"column-3\">1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-14 from cache --><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div id=\"e-n-tab-content-2592272012\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-2592272012\" data-tab-index=\"2\" style=\"--n-tabs-title-order: 2;\" class=\" elementor-element elementor-element-6f81235 e-con-full e-flex e-con e-child\" data-id=\"6f81235\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a038754 elementor-widget elementor-widget-text-editor\" data-id=\"a038754\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Follow along with the STELLA-1.2 Build Video.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-466fa56 elementor-widget__width-inherit elementor-widget elementor-widget-premium-addon-image-button\" data-id=\"466fa56\" data-element_type=\"widget\" data-widget_type=\"premium-addon-image-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<a class=\"premium-image-button-none premium-image-button premium-btn-sm premium-image-button-none\" href=\"https:\/\/youtu.be\/ZaAOqSWlaVw?si=YVLC4XHRSk-x-FWl\" target=\"_blank\">\n\t\t\t<div class=\"premium-image-button-text-icon-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<svg class=\"premium-svg-nodraw premium-drawable-icon e-font-icon-svg e-fas-video\" aria-hidden=\"true\" viewBox=\"0 0 576 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M336.2 64H47.8C21.4 64 0 85.4 0 111.8v288.4C0 426.6 21.4 448 47.8 448h288.4c26.4 0 47.8-21.4 47.8-47.8V111.8c0-26.4-21.4-47.8-47.8-47.8zm189.4 37.7L416 177.3v157.4l109.6 75.5c21.2 14.6 50.4-.3 50.4-25.8V127.5c0-25.4-29.1-40.4-50.4-25.8z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t<span >\n\t\t\t\t\t\tOpen STELLA-1.2 Build Video\t\t\t\t\t<\/span>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t<\/a>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ac1a962 elementor-widget elementor-widget-n-accordion\" data-id=\"ac1a962\" data-element_type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;expanded&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1800\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-1800\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 1. Setting up Microcontroller and Testing - Programming <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1800\" class=\"elementor-element elementor-element-21e54f6 e-flex e-con-boxed e-con e-child\" data-id=\"21e54f6\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3c6b1ff elementor-widget elementor-widget-text-editor\" data-id=\"3c6b1ff\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Initial Setup<\/h2><ol><li><p class=\"mb-2 whitespace-pre-wrap\"><strong>Extract Files<\/strong>: Unzip the STELLA-1.2 file to access its contents.<\/p><\/li><li><p class=\"mb-2 whitespace-pre-wrap\"><strong>Enter Bootloader Mode<\/strong>:<\/p><ul><li>Hold down the\u00a0<strong>BOOT<\/strong>\u00a0button on the microprocessor<\/li><li>Connect the USB-C data cable from your computer to the microprocessor<\/li><li>A drive labeled\u00a0<strong>FEATHERBOOT<\/strong>\u00a0should appear in your file explorer<\/li><li><strong>If the drive doesn&#8217;t appear<\/strong>: Press the\u00a0<strong>RESET<\/strong>\u00a0button twice quickly, then press the\u00a0<strong>BOOT<\/strong>\u00a0button<\/li><\/ul><\/li><li><p class=\"mb-2 whitespace-pre-wrap\"><strong>Install Firmware<\/strong>:<\/p><ul><li>Navigate to the\u00a0<strong>UF2<\/strong>\u00a0folder<\/li><li>Drag and drop the\u00a0<strong>.uf2<\/strong>\u00a0file onto the\u00a0<strong>FEATHERBOOT<\/strong>\u00a0drive<\/li><li>Wait for the copy to complete<\/li><li>The\u00a0<strong>FEATHERBOOT<\/strong>\u00a0drive will automatically eject and be replaced by\u00a0<strong>CIRCUITPY<\/strong><\/li><\/ul><\/li><li><p class=\"mb-2 whitespace-pre-wrap\"><strong>Install Software<\/strong>:<\/p><ul><li>Open the\u00a0<strong>STELLA-1.2-code-and-libraries<\/strong>\u00a0folder<\/li><li>Drag and drop the following items onto the\u00a0<strong>CIRCUITPY<\/strong>\u00a0drive:<ul><li><code>code.py<\/code>\u00a0file<\/li><li><code>setting.toml<\/code>\u00a0file<\/li><li><code>configuration_files<\/code>\u00a0folder<\/li><li><code>lib<\/code>\u00a0folder<\/li><li><code>software_modules<\/code>\u00a0folder<\/li><\/ul><\/li><\/ul><\/li><\/ol><h2>Testing the Microcontroller<\/h2><p class=\"mb-2 whitespace-pre-wrap\"><strong>Prerequisites<\/strong>:<\/p><ul><li>Microcontroller connected via USB-C data cable<\/li><li>Mu Editor installed and open<\/li><\/ul><h3>Test 1: Unique Identifier<\/h3><ol><li>In Mu Editor, click\u00a0<strong>Serial<\/strong>\u00a0at the top<\/li><li>Navigate to:\u00a0<code>S12_test_codes<\/code>\u00a0\u2192\u00a0<code>main unit test codes<\/code>\u00a0\u2192\u00a0<code>A0._microcontroller_unique_identifier<\/code><\/li><li>Drag and drop\u00a0<code>code.py<\/code>\u00a0into the\u00a0<strong>CIRCUITPY<\/strong>\u00a0drive<\/li><li>Check the serial output in Mu Editor for the Unique Identifier<\/li><\/ol><h3>Test 2: Blink Indicator<\/h3><ol><li>Navigate to:\u00a0<code>S12_test_codes<\/code>\u00a0\u2192\u00a0<code>main unit test codes<\/code>\u00a0\u2192\u00a0<code>A1._microcontroller_blink_indicator<\/code><\/li><li>Drag and drop\u00a0<code>code.py<\/code>\u00a0into the\u00a0<strong>CIRCUITPY<\/strong>\u00a0drive<\/li><li>Verify the microprocessor LED is blinking<\/li><\/ol><hr \/><p class=\"mb-2 whitespace-pre-wrap\"><strong>Note<\/strong>: Each time you drag a new <code>code.py<\/code> file to the CIRCUITPY drive, it will replace the previous version and automatically restart the microcontroller.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1801\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1801\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 2. Microcontroller to Test Clock - Build <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1801\" class=\"elementor-element elementor-element-93fd4c8 e-con-full e-flex e-con e-child\" data-id=\"93fd4c8\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0c799be elementor-widget elementor-widget-shortcode\" data-id=\"0c799be\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\n<table id=\"tablepress-10\" class=\"tablepress tablepress-id-10\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Line<\/th><th class=\"column-2\">Description<\/th><th class=\"column-3\">Function \/ instructions<\/th><th class=\"column-4\">MC pin<\/th><th class=\"column-5\">Front\/ Rear<\/th><th class=\"column-6\">Location 1<\/th><th class=\"column-7\">Location 2<\/th><th class=\"column-8\">color\/ note<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"row-2\">\n\t<td class=\"column-1\">1<\/td><td class=\"column-2\">3D print<\/td><td class=\"column-3\">coupler installation fixture<\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\">magnetic coupler alignment fixture<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">2<\/td><td class=\"column-2\">3D print<\/td><td class=\"column-3\">clock spacer<\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\">clock holder<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">3<\/td><td class=\"column-2\">soldering tools<\/td><td class=\"column-3\">use SAC305 alloy solder<\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\">lead-free solder (SAC 305 alloy, 0.020\u201d = 0.5mm diameter), safety glasses, fume exhauster, iron tip size: 1.5-2.0mm, iron temperature 290\u00baC\/550\u00baF<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">4<\/td><td class=\"column-2\">cut traces<\/td><td class=\"column-3\">bus traces<\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><p style=\"text-align: right;\">Rear<\/p><\/td><td class=\"column-6\"><p style=\"text-align: right;\">1 AB, BC, CD<\/p><\/td><td class=\"column-7\"><p style=\"text-align: right;\">2 AB, BC, CD<\/p><\/td><td class=\"column-8\">cut traces with a sharp knife, remove segment<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">5<\/td><td class=\"column-2\">cut traces<\/td><td class=\"column-3\">analog traces<\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><p style=\"text-align: right;\">Rear<\/p><\/td><td class=\"column-6\"><p style=\"text-align: right;\">1 Hi, iJ<\/p><\/td><td class=\"column-7\"><p style=\"text-align: right;\">2 Hi, iJ<\/p><\/td><td class=\"column-8\">cut traces with a sharp knife, remove segment<\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">6<\/td><td class=\"column-2\">magnet coupler 4 pos<\/td><td class=\"column-3\">4 pin, flat face<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\">use alignment fixture labelled \u201cFlats\u201d<\/td>\n<\/tr>\n<tr class=\"row-8\">\n\t<td class=\"column-1\">7<\/td><td class=\"column-2\">magnet coupler 3 pos<\/td><td class=\"column-3\">3 pin, flat face<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\">use alignment fixture labelled \u201cFlats\u201d<\/td>\n<\/tr>\n<tr class=\"row-9\">\n\t<td class=\"column-1\">8<\/td><td class=\"column-2\"><strong>test before install<\/strong><\/td><td class=\"column-3\"><strong>microcontroller<\/strong><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><strong>TEST A. microcontroller: Install CircuitPython by clicking reset twice in the specified cadence. Then copy the UF2 file onto the FEATHERBOOt<br \/>\ndrive. Connect to Mu Editor, ctrl-c, ctrl-d, checkoutputs. <\/strong><\/td>\n<\/tr>\n<tr class=\"row-10\">\n\t<td class=\"column-1\">9<\/td><td class=\"column-2\">install pins on microcontroller: use<br \/>\ntwo layers of protoboard as a fixture<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\">NOTE: install the header pins long ends from the bottom of the microcontroller board to the top, sticking out about 4mm above the top of the microcontroller board, with the plastic spacer up against the bottom of the microcontroller board. Neatness is important: the sticking out portion of the pins will be used to connect to later accessories, so keeping the upper portion of the pin free of solder is important. Do not trim the pins, even after installation is complete.<\/td>\n<\/tr>\n<tr class=\"row-11\">\n\t<td class=\"column-1\">10<\/td><td class=\"column-2\">install microcontroller<br \/>\non rear of main board.<\/td><td class=\"column-3\">install microcontroller on rear of main board<\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><p style=\"text-align: right;\">Rear<\/p><\/td><td class=\"column-6\"><p style=\"text-align: right;\">C44-C59<\/p><\/td><td class=\"column-7\"><p style=\"text-align: right;\">i44-i55<\/p><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-12\">\n\t<td class=\"column-1\">11<\/td><td class=\"column-2\">ground<\/td><td class=\"column-3\">microcontroller ground<\/td><td class=\"column-4\">GND<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">A56<\/td><td class=\"column-7\">GND (-) below A<\/td><td class=\"column-8\"><div class=\"gnd\">GND<\/div><\/td>\n<\/tr>\n<tr class=\"row-13\">\n\t<td class=\"column-1\">12<\/td><td class=\"column-2\">power<\/td><td class=\"column-3\">microcontroller 3V3 out<\/td><td class=\"column-4\">3V<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">A57<\/td><td class=\"column-7\">3V (+) below A<\/td><td class=\"column-8\"><div class=\"v3\">+3.3V<\/div><\/td>\n<\/tr>\n<tr class=\"row-14\">\n\t<td class=\"column-1\">13<\/td><td class=\"column-2\">SCL<\/td><td class=\"column-3\">microcontroller SCL<\/td><td class=\"column-4\">SCL<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">J45<\/td><td class=\"column-7\">SCL (-) above J<\/td><td class=\"column-8\"><div class=\"SCL\">i2c Serial Clock<\/div><\/td>\n<\/tr>\n<tr class=\"row-15\">\n\t<td class=\"column-1\">14<\/td><td class=\"column-2\">SDA<\/td><td class=\"column-3\">microcontroller SDA<\/td><td class=\"column-4\">SDA<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">J44<\/td><td class=\"column-7\">SDA (+) above J<\/td><td class=\"column-8\"><p class=\"SDA\">i2c Serial Data<\/p><\/td>\n<\/tr>\n<tr class=\"row-16\">\n\t<td class=\"column-1\">15<\/td><td class=\"column-2\">bus coupler wires<\/td><td class=\"column-3\">GND<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">B2 short to B1<\/td><td class=\"column-7\">GND (-) below 2A<\/td><td class=\"column-8\"><div class=\"gnd\">GND<\/div><\/td>\n<\/tr>\n<tr class=\"row-17\">\n\t<td class=\"column-1\">16<\/td><td class=\"column-2\">bus coupler wires<\/td><td class=\"column-3\">3V<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">A2 short to A1<\/td><td class=\"column-7\">3V (+) below 2A<\/td><td class=\"column-8\"><div class=\"v3\">+3.3V<\/div><\/td>\n<\/tr>\n<tr class=\"row-18\">\n\t<td class=\"column-1\">17<\/td><td class=\"column-2\">bus coupler wires<\/td><td class=\"column-3\">I2C_SDA<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">E1<\/td><td class=\"column-7\">SDA (+) above 2J<\/td><td class=\"column-8\"><p class=\"SDA\">i2c Serial Data<\/p><\/td>\n<\/tr>\n<tr class=\"row-19\">\n\t<td class=\"column-1\">18<\/td><td class=\"column-2\">bus coupler wires<\/td><td class=\"column-3\">I2C_SCL<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">C2 short to C1<\/td><td class=\"column-7\">SCL (-) above 2J<\/td><td class=\"column-8\"><div class=\"SCL\">i2c Serial Clock<\/div><\/td>\n<\/tr>\n<tr class=\"row-20\">\n\t<td class=\"column-1\">19<\/td><td class=\"column-2\">clock battery<\/td><td class=\"column-3\">insert clock battery<\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-21\">\n\t<td class=\"column-1\">20<\/td><td class=\"column-2\"><strong>test bus coms<\/strong><\/td><td class=\"column-3\"><strong>QT connect test\/ clock set<\/strong><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><strong>clock module<\/strong><\/td><td class=\"column-7\"><strong>qwiic connector<\/strong><\/td><td class=\"column-8\"><strong>TEST B. clock set<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-10 from cache --><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1802\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1802\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 3. QT Connect Test and Clock Set - Programming <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1802\" class=\"elementor-element elementor-element-63487eb e-flex e-con-boxed e-con e-child\" data-id=\"63487eb\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-08c379b elementor-widget elementor-widget-text-editor\" data-id=\"08c379b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Hardware Setup<\/h2><ol><li>Connect the RTC clock module to the microprocessor using the Qwiic cable<\/li><li>Connect the microprocessor to your computer via USB-C data cable<\/li><\/ol><h2>Testing and Configuration<\/h2><h3>I2C Bus Scan<\/h3><ol><li>Open\u00a0<strong>Serial<\/strong>\u00a0in Mu Editor<\/li><li>Navigate to folder:\u00a0<code>B0._i2c_bus_scan<\/code><\/li><li>Drag and drop\u00a0<code>code.py<\/code>\u00a0onto the\u00a0<strong>CIRCUITPY<\/strong>\u00a0drive<\/li><li>Check the serial output in Mu Editor for the I2C device response<\/li><\/ol><h3>Real-Time Clock Setup<\/h3><ol><li>Navigate to folder:\u00a0<code>B1._real_time_clock_and_clock_set<\/code><\/li><li>Drag and drop\u00a0<code>code.py<\/code>\u00a0onto the\u00a0<strong>CIRCUITPY<\/strong>\u00a0drive<\/li><li>Go to\u00a0<strong>time.is\/utc<\/strong>\u00a0to get the current UTC time<\/li><li><strong>Add approximately 5 seconds<\/strong>\u00a0to the time to allow buffer for entering all prompts<\/li><li>In Mu Editor&#8217;s serial window, enter the adjusted date and time in\u00a0<strong>UTC format<\/strong>\u00a0when prompted<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1803\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1803\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 4. Rotary Encoder to Display - Build <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1803\" class=\"elementor-element elementor-element-f8bcc41 e-con-full e-flex e-con e-child\" data-id=\"f8bcc41\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3aaa07a elementor-widget elementor-widget-shortcode\" data-id=\"3aaa07a\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\n<table id=\"tablepress-11\" class=\"tablepress tablepress-id-11\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Line<\/th><th class=\"column-2\">Description<\/th><th class=\"column-3\">Function \/ instructions<\/th><th class=\"column-4\">MC pin<\/th><th class=\"column-5\">Front\/ Rear<\/th><th class=\"column-6\">Location 1<\/th><th class=\"column-7\">Location 2<\/th><th class=\"column-8\">color\/ note<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"row-2\">\n\t<td class=\"column-1\">21<\/td><td class=\"column-2\">install rotary encoder<\/td><td class=\"column-3\">rotary encoder<\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><p style=\"text-align: right;\">Rear<\/p><\/td><td class=\"column-6\"><p style=\"text-align: right;\">H37, H39<\/p><\/td><td class=\"column-7\"><p style=\"text-align: right;\">D37, D38, D39<\/p><\/td><td class=\"column-8\">trim off the bottoms of the mounting ears, then<br \/>\ninstall the encoder on the rear of the board<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">22<\/td><td class=\"column-2\">rotary encoder<\/td><td class=\"column-3\">GND<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">A38<\/td><td class=\"column-7\">GND (-) below A<\/td><td class=\"column-8\"><div class=\"gnd\">GND<\/div><\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">23<\/td><td class=\"column-2\">rotary encoder<\/td><td class=\"column-3\">GND<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">F35<\/td><td class=\"column-7\">GND (-) below A<\/td><td class=\"column-8\"><div class=\"gnd\">GND<\/div><\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">24<\/td><td class=\"column-2\">rotary encoder<\/td><td class=\"column-3\">GND<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">i35<\/td><td class=\"column-7\">i37<\/td><td class=\"column-8\"><div class=\"gnd\">GND<\/div><\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">25<\/td><td class=\"column-2\">rotary encoder<\/td><td class=\"column-3\"><\/td><td class=\"column-4\">A4<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">B39<\/td><td class=\"column-7\">B51<\/td><td class=\"column-8\"><div class=\"purple\">rotary line B<\/div><\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">26<\/td><td class=\"column-2\">rotary encoder<\/td><td class=\"column-3\"><\/td><td class=\"column-4\">A3<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">B37<\/td><td class=\"column-7\">B52<\/td><td class=\"column-8\"><div class=\"SDA\">rotary line A<\/div><\/td>\n<\/tr>\n<tr class=\"row-8\">\n\t<td class=\"column-1\">27<\/td><td class=\"column-2\">rotary encoder<\/td><td class=\"column-3\"><\/td><td class=\"column-4\">A2<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">i39<\/td><td class=\"column-7\">B53<\/td><td class=\"column-8\"><div class=\"blue\">pushbutton switch<\/div><\/td>\n<\/tr>\n<tr class=\"row-9\">\n\t<td class=\"column-1\">28<\/td><td class=\"column-2\"><strong>test rotary encoder<\/strong><\/td><td class=\"column-3\"><strong>rotary encoder test<\/strong><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><strong>TEST C. rotary encoder<\/strong><\/td>\n<\/tr>\n<tr class=\"row-10\">\n\t<td class=\"column-1\">29<\/td><td class=\"column-2\">solder pins onto eyespi<\/td><td class=\"column-3\">instructions: Use breadboard as a fixture<\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-11\">\n\t<td class=\"column-1\">30<\/td><td class=\"column-2\">install display eyespi breakout board<\/td><td class=\"column-3\">tape the eyespi board in place<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">D24-32<\/td><td class=\"column-7\">G24-32<\/td><td class=\"column-8\">connector latch bar [black] towards J<\/td>\n<\/tr>\n<tr class=\"row-12\">\n\t<td class=\"column-1\">31<\/td><td class=\"column-2\">trim pins<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-13\">\n\t<td class=\"column-1\">32<\/td><td class=\"column-2\">display breakout<\/td><td class=\"column-3\">3V<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">A24<\/td><td class=\"column-7\">3V (+) below A<\/td><td class=\"column-8\"><div class=\"v3\">+3.3V<\/div><\/td>\n<\/tr>\n<tr class=\"row-14\">\n\t<td class=\"column-1\">33<\/td><td class=\"column-2\">display breakout<\/td><td class=\"column-3\">GND<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">A26<\/td><td class=\"column-7\">GND (-) below A<\/td><td class=\"column-8\"><div class=\"gnd\">GND<\/div><\/td>\n<\/tr>\n<tr class=\"row-15\">\n\t<td class=\"column-1\">34<\/td><td class=\"column-2\">display breakout<\/td><td class=\"column-3\">SCL<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">J27<\/td><td class=\"column-7\">SCL (-) above J<\/td><td class=\"column-8\"><div class=\"SCL\">i2c Serial Clock<\/div><\/td>\n<\/tr>\n<tr class=\"row-16\">\n\t<td class=\"column-1\">35<\/td><td class=\"column-2\">display breakout<\/td><td class=\"column-3\">SDA<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">J28<\/td><td class=\"column-7\">SDA (+) above J<\/td><td class=\"column-8\"><p class=\"SDA\">i2c Serial Data<\/p><\/td>\n<\/tr>\n<tr class=\"row-17\">\n\t<td class=\"column-1\">36<\/td><td class=\"column-2\">display breakout<\/td><td class=\"column-3\">TFT_CS<\/td><td class=\"column-4\">D12<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">A32<\/td><td class=\"column-7\">J51<\/td><td class=\"column-8\"><div class=\"SCL\">TFT_CS<\/div><\/td>\n<\/tr>\n<tr class=\"row-18\">\n\t<td class=\"column-1\">37<\/td><td class=\"column-2\">display breakout<\/td><td class=\"column-3\">TFT_D\/C<\/td><td class=\"column-4\">D11<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">B30<\/td><td class=\"column-7\">J50<\/td><td class=\"column-8\"><div class=\"grey\">TFT_D\/C<\/div><\/td>\n<\/tr>\n<tr class=\"row-19\">\n\t<td class=\"column-1\">38<\/td><td class=\"column-2\">display breakout<\/td><td class=\"column-3\">MISO<\/td><td class=\"column-4\">MISO<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">A29<\/td><td class=\"column-7\">A47<\/td><td class=\"column-8\"><div class=\"blue\">MISO<\/div><\/td>\n<\/tr>\n<tr class=\"row-20\">\n\t<td class=\"column-1\">39<\/td><td class=\"column-2\">display breakout<\/td><td class=\"column-3\">MOSI<\/td><td class=\"column-4\">MOSI<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">A28<\/td><td class=\"column-7\">A48<\/td><td class=\"column-8\"><div class=\"SCL\">MOSI<\/div><\/td>\n<\/tr>\n<tr class=\"row-21\">\n\t<td class=\"column-1\">40<\/td><td class=\"column-2\">display breakout<\/td><td class=\"column-3\">SCK<\/td><td class=\"column-4\">SCK<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">A27<\/td><td class=\"column-7\">A49<\/td><td class=\"column-8\"><div class=\"yellow\">SCK<\/div><\/td>\n<\/tr>\n<tr class=\"row-22\">\n\t<td class=\"column-1\">41<\/td><td class=\"column-2\">modify display<\/td><td class=\"column-3\">close jumpers on center back of display (not at the edge vias)<\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\">IM1, IM2, IM3<\/td><td class=\"column-7\"><\/td><td class=\"column-8\">Do Not close IM0<\/td>\n<\/tr>\n<tr class=\"row-23\">\n\t<td class=\"column-1\">42<\/td><td class=\"column-2\"><strong>test display<\/strong><\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><strong>TEST D. display<\/strong><\/td>\n<\/tr>\n<tr class=\"row-24\">\n\t<td class=\"column-1\">43<\/td><td class=\"column-2\"><strong>test touchscreen<\/strong><\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><strong>TEST E. touch screen<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-11 from cache --><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1804\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1804\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 5. Rotary Encoder and Display Tests - Programming <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1804\" class=\"elementor-element elementor-element-f62dad4 e-flex e-con-boxed e-con e-child\" data-id=\"f62dad4\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b98a03a elementor-widget elementor-widget-text-editor\" data-id=\"b98a03a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Rotary Encoder<\/h2><ol><li>Open\u00a0<strong>Serial<\/strong>\u00a0in Mu Editor<\/li><li>Navigate to folder:\u00a0<code>C._rotary_encoder<\/code><\/li><li>Drag and drop\u00a0<code>code.py<\/code>\u00a0onto the\u00a0<strong>CIRCUITPY<\/strong>\u00a0drive<\/li><li>Twist and push the rotary encoder and observe the results in the serial output<\/li><\/ol><h2>Display Testing<\/h2><p class=\"mb-2 whitespace-pre-wrap\"><strong>Hardware Setup<\/strong>: Connect the screen to the EYESPI module using the cable<\/p><h3>TFT Display<\/h3><ol><li>Navigate to folder:\u00a0<code>D._2.8in_tft_display<\/code><\/li><li>Drag and drop\u00a0<code>code.py<\/code>\u00a0onto the\u00a0<strong>CIRCUITPY<\/strong>\u00a0drive<\/li><li>Check the display screen for visual output<\/li><\/ol><h3>Capacitive Touch Screen<\/h3><ol><li>Open\u00a0<strong>Serial<\/strong>\u00a0in Mu Editor<\/li><li>Navigate to folder:\u00a0<code>E._capacitive_touch_screen<\/code><\/li><li>Drag and drop\u00a0<code>code.py<\/code>\u00a0onto the\u00a0<strong>CIRCUITPY<\/strong>\u00a0drive<\/li><li>Tap on the display with your finger and observe touch coordinates in the serial output<\/li><\/ol><hr \/><p class=\"mb-2 whitespace-pre-wrap\"><strong>Note<\/strong>: Each test replaces the previous <code>code.py<\/code> file on the CIRCUITPY drive and automatically restarts the microcontroller.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1805\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"6\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1805\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 6. 5V to Analog - Build <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1805\" class=\"elementor-element elementor-element-2798aa7 e-con-full e-flex e-con e-child\" data-id=\"2798aa7\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-95c98c9 elementor-widget elementor-widget-shortcode\" data-id=\"95c98c9\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\n<table id=\"tablepress-12\" class=\"tablepress tablepress-id-12\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Line<\/th><th class=\"column-2\">Description<\/th><th class=\"column-3\">Function \/ instructions<\/th><th class=\"column-4\">MC pin<\/th><th class=\"column-5\">Front\/ Rear<\/th><th class=\"column-6\">Location 1<\/th><th class=\"column-7\">Location 2<\/th><th class=\"column-8\">color\/ note<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"row-2\">\n\t<td class=\"column-1\">44<\/td><td class=\"column-2\">install boost pins<\/td><td class=\"column-3\">pins only, 4 positions<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">G17-20<\/td><td class=\"column-7\">-<\/td><td class=\"column-8\">pins<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">45<\/td><td class=\"column-2\">install resistor<\/td><td class=\"column-3\">10k\u03a9 resistor (not polarized)<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">H20<\/td><td class=\"column-7\">H23<\/td><td class=\"column-8\">brown-black-orange, enable pull-down<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">46<\/td><td class=\"column-2\">install resistor<\/td><td class=\"column-3\">10k\u03a9 resistor (not polarized)<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">H16<\/td><td class=\"column-7\">H19<\/td><td class=\"column-8\">brown-black-orange, divider high<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">47<\/td><td class=\"column-2\">install resistor<\/td><td class=\"column-3\">10k\u03a9 resistor (not polarized)<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">G13<\/td><td class=\"column-7\">G16<\/td><td class=\"column-8\">brown-black-orange, divider low<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">48<\/td><td class=\"column-2\">boost GND<\/td><td class=\"column-3\">GND (leave some slack to make room for the clock module spacer)<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">F13<\/td><td class=\"column-7\">GND (-) below A<\/td><td class=\"column-8\"><div class=\"gnd\">GND<\/div><\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">49<\/td><td class=\"column-2\">boost GND<\/td><td class=\"column-3\">GND<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">J13<\/td><td class=\"column-7\">J18<\/td><td class=\"column-8\"><div class=\"gnd\">GND<\/div><\/td>\n<\/tr>\n<tr class=\"row-8\">\n\t<td class=\"column-1\">50<\/td><td class=\"column-2\">boost GND<\/td><td class=\"column-3\">GND<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">i18<\/td><td class=\"column-7\">i23<\/td><td class=\"column-8\"><div class=\"gnd\">GND<\/div><\/td>\n<\/tr>\n<tr class=\"row-9\">\n\t<td class=\"column-1\">51<\/td><td class=\"column-2\">boost enable<\/td><td class=\"column-3\">5V boost enable<\/td><td class=\"column-4\">D10<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">J20<\/td><td class=\"column-7\">J49<\/td><td class=\"column-8\"><div class=\"SDA\">5V enable<\/div><\/td>\n<\/tr>\n<tr class=\"row-10\">\n\t<td class=\"column-1\">52<\/td><td class=\"column-2\">boost 5 monitor<\/td><td class=\"column-3\">5V\/2 monitor<\/td><td class=\"column-4\">A1<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">i16<\/td><td class=\"column-7\">B54<\/td><td class=\"column-8\"><div class=\"yellow\">5V monitor at 2.5V<\/div><\/td>\n<\/tr>\n<tr class=\"row-11\">\n\t<td class=\"column-1\">53<\/td><td class=\"column-2\">Vbat distribution<\/td><td class=\"column-3\">Vbat<\/td><td class=\"column-4\">Vbat<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">J12<\/td><td class=\"column-7\">J55<\/td><td class=\"column-8\"><div class=\"brown\">Vbat, unregulated lithium battery output<\/div><\/td>\n<\/tr>\n<tr class=\"row-12\">\n\t<td class=\"column-1\">54<\/td><td class=\"column-2\">Vbat supply to boost<\/td><td class=\"column-3\">Vbat<\/td><td class=\"column-4\">Vbat<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">i12<\/td><td class=\"column-7\">J17<\/td><td class=\"column-8\"><div class=\"brown\">Vbat, unregulated lithium battery output<\/div><\/td>\n<\/tr>\n<tr class=\"row-13\">\n\t<td class=\"column-1\">55<\/td><td class=\"column-2\">boost 5V out<\/td><td class=\"column-3\">5V power<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">J2, J1<\/td><td class=\"column-7\">J19<\/td><td class=\"column-8\"><div class=\"orange\">5V<\/div><\/td>\n<\/tr>\n<tr class=\"row-14\">\n\t<td class=\"column-1\">56<\/td><td class=\"column-2\">install boost module<\/td><td class=\"column-3\">boost module<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">G17-20<\/td><td class=\"column-7\">-<\/td><td class=\"column-8\">components up, body towards J<\/td>\n<\/tr>\n<tr class=\"row-15\">\n\t<td class=\"column-1\">57<\/td><td class=\"column-2\"><strong>test 5V power<\/strong><\/td><td class=\"column-3\"><strong>5V test<\/strong><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><strong>TEST F. 5V boost (connect LiPo battery for test)<\/strong><\/td>\n<\/tr>\n<tr class=\"row-16\">\n\t<td class=\"column-1\">58<\/td><td class=\"column-2\">cut trace<\/td><td class=\"column-3\">disable clock LED<\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\">front of the clock module<\/td>\n<\/tr>\n<tr class=\"row-17\">\n\t<td class=\"column-1\">59<\/td><td class=\"column-2\">clock header pins<\/td><td class=\"column-3\">on front of board, use breadboard as fixture<\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-18\">\n\t<td class=\"column-1\">60<\/td><td class=\"column-2\">install clock module<\/td><td class=\"column-3\">install clock module on printed spacer<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">B16-20<\/td><td class=\"column-7\">-<\/td><td class=\"column-8\">on printed spacer, battery up, body towards J<\/td>\n<\/tr>\n<tr class=\"row-19\">\n\t<td class=\"column-1\">61<\/td><td class=\"column-2\">clock<\/td><td class=\"column-3\">GND<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">A19<\/td><td class=\"column-7\">GND (-) below A<\/td><td class=\"column-8\"><div class=\"gnd\">GND<\/div><\/td>\n<\/tr>\n<tr class=\"row-20\">\n\t<td class=\"column-1\">62<\/td><td class=\"column-2\">clock<\/td><td class=\"column-3\">3V<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">A20<\/td><td class=\"column-7\">3V (+) below A<\/td><td class=\"column-8\"><div class=\"v3\">+3.3V<\/div><\/td>\n<\/tr>\n<tr class=\"row-21\">\n\t<td class=\"column-1\">63<\/td><td class=\"column-2\">clock<\/td><td class=\"column-3\">SCL, run under spacer<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">A18<\/td><td class=\"column-7\">SCL (-) above J<\/td><td class=\"column-8\"><div class=\"SCL\">i2c Serial Clock<\/div><\/td>\n<\/tr>\n<tr class=\"row-22\">\n\t<td class=\"column-1\">64<\/td><td class=\"column-2\">clock<\/td><td class=\"column-3\">SDA, run under spacer<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">A17<\/td><td class=\"column-7\">SDA (+) above J<\/td><td class=\"column-8\"><div class=\"SDA\">i2c Serial Data<\/div><\/td>\n<\/tr>\n<tr class=\"row-23\">\n\t<td class=\"column-1\">65<\/td><td class=\"column-2\"><strong>test clock<\/strong><\/td><td class=\"column-3\"><strong>clock test<\/strong><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><strong>repeat TEST B. clock set<\/strong><\/td>\n<\/tr>\n<tr class=\"row-24\">\n\t<td class=\"column-1\">66<\/td><td class=\"column-2\">analog input<\/td><td class=\"column-3\">Analog input 0<\/td><td class=\"column-4\">A0<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">i2, i1<\/td><td class=\"column-7\">B55<\/td><td class=\"column-8\"><div class=\"purple\">Analog input 0<\/div><\/td>\n<\/tr>\n<tr class=\"row-25\">\n\t<td class=\"column-1\">67<\/td><td class=\"column-2\"><strong>analog inout test<\/strong><\/td><td class=\"column-3\"><strong>analog input test<\/strong><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><strong>TEST<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-12 from cache --><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1806\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"7\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1806\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 7.  5V, Clock and Analog Tests - Programming <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1806\" class=\"elementor-element elementor-element-dca85f9 e-flex e-con-boxed e-con e-child\" data-id=\"dca85f9\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b6b0d03 elementor-widget elementor-widget-text-editor\" data-id=\"b6b0d03\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>5V Boost Converter<\/h2><ol><li>Open\u00a0<strong>Serial<\/strong>\u00a0in Mu Editor<\/li><li>Navigate to folder:\u00a0<code>F0._5V_boost<\/code><\/li><li>Drag and drop\u00a0<code>code.py<\/code>\u00a0onto the\u00a0<strong>CIRCUITPY<\/strong>\u00a0drive<\/li><li>Check the serial output for results<\/li><\/ol><h2>Analog Input<\/h2><ol><li>Open\u00a0<strong>Serial<\/strong>\u00a0in Mu Editor<\/li><li>Navigate to folder:\u00a0<code>F1._analog_in<\/code><\/li><li>Drag and drop\u00a0<code>code.py<\/code>\u00a0onto the\u00a0<strong>CIRCUITPY<\/strong>\u00a0drive<\/li><li>Check the serial output for results<\/li><\/ol><h2>RTC Clock Verification (Post-Soldering)<\/h2><p class=\"mb-2 whitespace-pre-wrap\"><strong>After soldering the clock module:<\/strong><\/p><ol><li>Repeat\u00a0<strong>Test 1<\/strong>\u00a0(I2C Bus Scan) and\u00a0<strong>Test 2<\/strong> (Real-Time Clock Setup) from the RTC Clock Module Setup section to verify proper installation.\u00a0<\/li><\/ol><p>Note: If the battery was installed and you already set the clock you should not need to reset the time. Just verify that it is working.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1807\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"8\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1807\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 8. SD, GPS, Power Switch - Build <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1807\" class=\"elementor-element elementor-element-5c4b1c0 e-flex e-con-boxed e-con e-child\" data-id=\"5c4b1c0\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-48577c5 elementor-widget elementor-widget-shortcode\" data-id=\"48577c5\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\n<table id=\"tablepress-13\" class=\"tablepress tablepress-id-13\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Line<\/th><th class=\"column-2\">Description<\/th><th class=\"column-3\">Function \/ instructions<\/th><th class=\"column-4\">MC pin<\/th><th class=\"column-5\">Front\/ Rear<\/th><th class=\"column-6\">Location 1<\/th><th class=\"column-7\">Location 2<\/th><th class=\"column-8\">color\/ note<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"row-2\">\n\t<td class=\"column-1\">68<\/td><td class=\"column-2\">SD card pins<\/td><td class=\"column-3\">install pins, 9 positions<\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><p style=\"text-align: right;\">Rear<\/p><\/td><td class=\"column-6\"><p style=\"text-align: right;\">B3-B11<\/p><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">69<\/td><td class=\"column-2\">GPS pins<\/td><td class=\"column-3\">install pins, 9 positions<\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><p style=\"text-align: right;\">Rear<\/p><\/td><td class=\"column-6\"><p style=\"text-align: right;\">H3-H11<\/p><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">70<\/td><td class=\"column-2\">trim pins<\/td><td class=\"column-3\">trim pins<\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">71<\/td><td class=\"column-2\">SD card power<\/td><td class=\"column-3\">3V<\/td><td class=\"column-4\">3V<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">D3<\/td><td class=\"column-7\">3V (+) below A<\/td><td class=\"column-8\"><div class=\"v3\">+3.3V<\/div><\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">72<\/td><td class=\"column-2\">GPS enable<\/td><td class=\"column-3\">GPS enable<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">E3<\/td><td class=\"column-7\">F10<\/td><td class=\"column-8\"><div class=\"v3\">GPS Enable<\/div><\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">73<\/td><td class=\"column-2\">SD card &amp; GPS ground<\/td><td class=\"column-3\">GND<\/td><td class=\"column-4\">GND<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">D4<\/td><td class=\"column-7\">GND (-) below A<\/td><td class=\"column-8\"><div class=\"gnd\">GND<\/div><\/td>\n<\/tr>\n<tr class=\"row-8\">\n\t<td class=\"column-1\">74<\/td><td class=\"column-2\">GPS ground<\/td><td class=\"column-3\">GND<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">E4<\/td><td class=\"column-7\">F5<\/td><td class=\"column-8\"><div class=\"gnd\">GND<\/div><\/td>\n<\/tr>\n<tr class=\"row-9\">\n\t<td class=\"column-1\">75<\/td><td class=\"column-2\">GPS power<\/td><td class=\"column-3\">Vbat<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">G4<\/td><td class=\"column-7\">G12<\/td><td class=\"column-8\"><div class=\"brown\">Vbat, unregulated lithium battery<\/div><\/td>\n<\/tr>\n<tr class=\"row-10\">\n\t<td class=\"column-1\">76<\/td><td class=\"column-2\">GPS power noise filter<\/td><td class=\"column-3\">capacitor 0.1\u03bcF (not polarized)<\/td><td class=\"column-4\"><\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">i4<\/td><td class=\"column-7\">i5<\/td><td class=\"column-8\">component<\/td>\n<\/tr>\n<tr class=\"row-11\">\n\t<td class=\"column-1\">77<\/td><td class=\"column-2\">SD card reader spi<\/td><td class=\"column-3\">SCK<\/td><td class=\"column-4\">SCK<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">D5<\/td><td class=\"column-7\">B27<\/td><td class=\"column-8\"><div class=\"yellow\">SCK<\/div><\/td>\n<\/tr>\n<tr class=\"row-12\">\n\t<td class=\"column-1\">78<\/td><td class=\"column-2\">SD card reader spi<\/td><td class=\"column-3\">MOSI<\/td><td class=\"column-4\">MOSI<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">D7<\/td><td class=\"column-7\">B28<\/td><td class=\"column-8\"><div class=\"SCL\">MOSI<\/div><\/td>\n<\/tr>\n<tr class=\"row-13\">\n\t<td class=\"column-1\">79<\/td><td class=\"column-2\">SD card reader spi<\/td><td class=\"column-3\">MISO<\/td><td class=\"column-4\">MISO<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">D6<\/td><td class=\"column-7\">B29<\/td><td class=\"column-8\"><div class=\"blue\">MISO<\/div><\/td>\n<\/tr>\n<tr class=\"row-14\">\n\t<td class=\"column-1\">80<\/td><td class=\"column-2\">SD card reader spi<\/td><td class=\"column-3\">SD_CS<\/td><td class=\"column-4\">A5<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">D8<\/td><td class=\"column-7\">A50<\/td><td class=\"column-8\"><div class=\"grey\">SD_CS<\/div><\/td>\n<\/tr>\n<tr class=\"row-15\">\n\t<td class=\"column-1\">81<\/td><td class=\"column-2\">GPS module uart<\/td><td class=\"column-3\">TX0 to RXin<\/td><td class=\"column-4\">TX<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">F6<\/td><td class=\"column-7\">B45<\/td><td class=\"column-8\"><div class=\"yellow\">TX0 to RXin<\/div><\/td>\n<\/tr>\n<tr class=\"row-16\">\n\t<td class=\"column-1\">82<\/td><td class=\"column-2\">GPS module uart<\/td><td class=\"column-3\">RX0 from TXout<\/td><td class=\"column-4\">RX<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">F7<\/td><td class=\"column-7\">B46<\/td><td class=\"column-8\"><div class=\"purple\">RX0 from TXout<\/div><\/td>\n<\/tr>\n<tr class=\"row-17\">\n\t<td class=\"column-1\">83<\/td><td class=\"column-2\">install SD card reader<\/td><td class=\"column-3\">SD Card<\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><p style=\"text-align: right;\">Rear<\/p><\/td><td class=\"column-6\"><p style=\"text-align: right;\">B3-B11<\/p><\/td><td class=\"column-7\"><\/td><td class=\"column-8\">on rear, SD card socket visible, body towards A<\/td>\n<\/tr>\n<tr class=\"row-18\">\n\t<td class=\"column-1\">84<\/td><td class=\"column-2\"><strong>test SD card reader<\/strong><\/td><td class=\"column-3\"><strong>SD card test<\/strong><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><strong>TEST G. sdcard<\/strong><\/td>\n<\/tr>\n<tr class=\"row-19\">\n\t<td class=\"column-1\">85<\/td><td class=\"column-2\">GPS module<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><p style=\"text-align: right;\">Rear<\/p><\/td><td class=\"column-6\"><p style=\"text-align: right;\">H3-H11<\/p><\/td><td class=\"column-7\"><\/td><td class=\"column-8\">on rear, square body unit visible, body towards J<\/td>\n<\/tr>\n<tr class=\"row-20\">\n\t<td class=\"column-1\">86<\/td><td class=\"column-2\"><strong>test GPS<\/strong><\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><strong>TEST H. GPS (connect LiPo battery for test)<\/strong><\/td>\n<\/tr>\n<tr class=\"row-21\">\n\t<td class=\"column-1\">87<\/td><td class=\"column-2\">power control<\/td><td class=\"column-3\">3V system regulator enable \/ disable<\/td><td class=\"column-4\">En<\/td><td class=\"column-5\">Front<\/td><td class=\"column-6\">J54<\/td><td class=\"column-7\">B43<\/td><td class=\"column-8\"><div class=\"grey\">3.3V Supply Enable<\/div><\/td>\n<\/tr>\n<tr class=\"row-22\">\n\t<td class=\"column-1\">88<\/td><td class=\"column-2\">power switch<\/td><td class=\"column-3\">switch<\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><p style=\"text-align: right;\">Rear<\/p><\/td><td class=\"column-6\"><p style=\"text-align: right;\">A43<\/p><\/td><td class=\"column-7\"><p style=\"text-align: right;\">GND (-) below A43<\/p><\/td><td class=\"column-8\">trim solder joints at B45, B46, and A47 flush to board, then install switch with body parallel to the board edge, with body towards A60<\/td>\n<\/tr>\n<tr class=\"row-23\">\n\t<td class=\"column-1\">89<\/td><td class=\"column-2\"><strong>test power control<\/strong><\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><strong>TEST: unit should cycle off on alternate click of<br \/>\npower button.<\/strong><\/td>\n<\/tr>\n<tr class=\"row-24\">\n\t<td class=\"column-1\">90<\/td><td class=\"column-2\"><strong>test system<\/strong><\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><strong>TEST<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-13 from cache --><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1808\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"9\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1808\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 9. SD, GPS and System Tests - Programming <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1808\" class=\"elementor-element elementor-element-deab1b0 e-flex e-con-boxed e-con e-child\" data-id=\"deab1b0\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7ddafd2 elementor-widget elementor-widget-text-editor\" data-id=\"7ddafd2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>SD Card<\/h2><ol><li>Open\u00a0<strong>Serial<\/strong>\u00a0in Mu Editor<\/li><li>Navigate to folder:\u00a0<code>G._sdcard<\/code><\/li><li>Drag and drop\u00a0<code>code.py<\/code>\u00a0onto the\u00a0<strong>CIRCUITPY<\/strong>\u00a0drive<\/li><li>Check the serial output for results<\/li><\/ol><h2>GPS Module<\/h2><ol><li>Open\u00a0<strong>Serial<\/strong>\u00a0in Mu Editor<\/li><li>Navigate to folder:\u00a0<code>H._GPS<\/code><\/li><li>Drag and drop\u00a0<code>code.py<\/code>\u00a0onto the\u00a0<strong>CIRCUITPY<\/strong>\u00a0drive<\/li><li>Check the serial output for results<\/li><\/ol><h2>Final Setup: Install Main STELLA Code<\/h2><ol><li>Navigate back to the\u00a0<strong>STELLA-1.2-code-and-libraries<\/strong>\u00a0folder<\/li><li>Drag and drop\u00a0<code>code.py<\/code>\u00a0onto the\u00a0<strong>CIRCUITPY<\/strong>\u00a0drive<\/li><li>Coding installation is now complete<\/li><\/ol><h2>Final Hardware Test: Power Button<\/h2><ol><li>Test the power button by cycling the power on and off<\/li><li>Verify the button is working properly<\/li><\/ol><hr \/><p class=\"mb-2 whitespace-pre-wrap\"><strong>Congratulations!<\/strong> You now have a fully functional STELLA-1.2 Base module.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-aded45f e-flex e-con-boxed e-con e-parent\" data-id=\"aded45f\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d35e7b2 elementor-widget elementor-widget-heading\" data-id=\"d35e7b2\" data-element_type=\"widget\" id=\"operation\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">STELLA-1.2 Operation - Indicatos, Controls and Main Menu<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9301fc4 elementor-widget elementor-widget-n-accordion\" data-id=\"9301fc4\" data-element_type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;expanded&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1540\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-1540\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Charging and Indicators <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1540\" class=\"elementor-element elementor-element-24dbf32 e-con-full e-flex e-con e-child\" data-id=\"24dbf32\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6ad1a14 elementor-widget elementor-widget-heading\" data-id=\"6ad1a14\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Charging<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8bc7db0 elementor-widget elementor-widget-image\" data-id=\"8bc7db0\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"843\" height=\"207\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_charge-1024x251.png\" class=\"attachment-large size-large wp-image-3852\" alt=\"diagram showing where to plug USB-C to charge\" srcset=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_charge-1024x251.png 1024w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_charge-300x73.png 300w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_charge-768x188.png 768w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_charge-1536x376.png 1536w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_charge.png 1540w\" sizes=\"(max-width: 843px) 100vw, 843px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Diagram showing where to plug USB-C cable to charge.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c8d2ce elementor-widget elementor-widget-heading\" data-id=\"7c8d2ce\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Indicators<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1dbf447 elementor-widget elementor-widget-image\" data-id=\"1dbf447\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"843\" height=\"445\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA-1.2_Indicator_diagram-1024x541.png\" class=\"attachment-large size-large wp-image-4096\" alt=\"Diagram of STELLA-1.2 indicators including the battery, charging, record and GPS fix indicators.\" srcset=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA-1.2_Indicator_diagram-1024x541.png 1024w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA-1.2_Indicator_diagram-300x158.png 300w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA-1.2_Indicator_diagram-768x406.png 768w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA-1.2_Indicator_diagram-1536x812.png 1536w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA-1.2_Indicator_diagram.png 1730w\" sizes=\"(max-width: 843px) 100vw, 843px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Diagram of STELLA-1.2 indicators including  the battery, charging, record and GPS fix indicators.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1541\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1541\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> SD Card and Holders <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1541\" class=\"elementor-element elementor-element-53db318 e-con-full e-flex e-con e-child\" data-id=\"53db318\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d56f164 elementor-widget elementor-widget-heading\" data-id=\"d56f164\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">SD Card<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eadaeb8 elementor-widget elementor-widget-image\" data-id=\"eadaeb8\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"843\" height=\"306\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_SD-1024x372.png\" class=\"attachment-large size-large wp-image-3861\" alt=\"diagram showing how to open and close SD card door and push the sd card to lock it in and pull it out\" srcset=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_SD-1024x372.png 1024w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_SD-300x109.png 300w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_SD-768x279.png 768w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_SD.png 1482w\" sizes=\"(max-width: 843px) 100vw, 843px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Diagram showing how to open and close SD card swing door and push the SD card to lock it in and pull it out.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a89f883 elementor-widget elementor-widget-heading\" data-id=\"a89f883\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Holders<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-86a04c8 elementor-widget elementor-widget-image\" data-id=\"86a04c8\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"843\" height=\"519\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_holders-1024x630.png\" class=\"attachment-large size-large wp-image-3854\" alt=\"diagram showing the side loops for attachments like straps and the universal mount screw underneath.\" srcset=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_holders-1024x630.png 1024w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_holders-300x184.png 300w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_holders-768x472.png 768w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_holders.png 1532w\" sizes=\"(max-width: 843px) 100vw, 843px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Diagram showing the side loops for attachments, like shoulder straps, and the universal screw mount underneath.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1542\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1542\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Navigation Controls and Control Bar <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1542\" class=\"elementor-element elementor-element-635f756 e-con-full e-flex e-con e-child\" data-id=\"635f756\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c263614 elementor-widget elementor-widget-heading\" data-id=\"c263614\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Navigation Controls<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dea82ec elementor-widget elementor-widget-image\" data-id=\"dea82ec\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"843\" height=\"436\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_nav-1024x530.png\" class=\"attachment-large size-large wp-image-3856\" alt=\"STELLA-1.2 navigation instructions - turn the rotary encoder to highlight and pressing it to open selection. Power button turns instrument on.\" srcset=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_nav-1024x530.png 1024w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_nav-300x155.png 300w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_nav-768x397.png 768w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_nav.png 1508w\" sizes=\"(max-width: 843px) 100vw, 843px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Navigate the STELLA-1.2  by turning the rotary encoder to highlight selection and pressing rotary encoder down to open selection. The power button  in the lower right corner turns instrument on and off.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-71d36b4 elementor-widget elementor-widget-heading\" data-id=\"71d36b4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Control Bar<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e0fbc85 elementor-widget elementor-widget-image\" data-id=\"e0fbc85\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"843\" height=\"541\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_controlbar-1024x657.png\" class=\"attachment-large size-large wp-image-3853\" alt=\"Control Bar diagram showing GPS status, batch number, recording status, amount measurements in a burst and battery percentage. Selections with an asterisk are forthcoming.\" srcset=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_controlbar-1024x657.png 1024w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_controlbar-300x193.png 300w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_controlbar-768x493.png 768w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_controlbar.png 1514w\" sizes=\"(max-width: 843px) 100vw, 843px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Control Bar diagram showing GPS status, batch number, recording status, amount measurements in a burst and battery percentage. Selections with an asterisk are forthcoming.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1543\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1543\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> System Settings and Status <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1543\" class=\"elementor-element elementor-element-6c03c10 e-flex e-con-boxed e-con e-child\" data-id=\"6c03c10\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3a241e7 elementor-widget elementor-widget-heading\" data-id=\"3a241e7\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">System Settings page<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c0d6629 elementor-widget elementor-widget-image\" data-id=\"c0d6629\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"843\" height=\"459\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_Syssettings-1024x558.png\" class=\"attachment-large size-large wp-image-3864\" alt=\"System settings including smaple interval, burst count, serial output, and serial interval\" srcset=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_Syssettings-1024x558.png 1024w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_Syssettings-300x163.png 300w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_Syssettings-768x418.png 768w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_Syssettings.png 1528w\" sizes=\"(max-width: 843px) 100vw, 843px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">System Settings -  \n<strong>Sample Interval:<\/strong>\nTime between consecutive\nmeasurements during\ncontinuous recording.\n<strong>Burst Count:<\/strong>\nNumber of measurements\ntaken when burst button is\npressed.\n<strong>Serial Output:<\/strong>\nControl data transmission\nto connected computer via\nUSB\n<strong>Serial Interval:<\/strong>\nRate of data transmission\nto computer (independent\nof SD card recording)<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-63be231 elementor-widget elementor-widget-heading\" data-id=\"63be231\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Status page<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3f2bbec elementor-widget elementor-widget-image\" data-id=\"3f2bbec\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"843\" height=\"403\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_status-1024x490.png\" class=\"attachment-large size-large wp-image-3863\" alt=\"Status page including Processor\/STELLA ID, Battery Status, Clock Battery status, and SD card capacity vs used\" srcset=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_status-1024x490.png 1024w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_status-300x144.png 300w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_status-768x368.png 768w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_status-1536x735.png 1536w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_status.png 1546w\" sizes=\"(max-width: 843px) 100vw, 843px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\"><strong>Status\nAccess: <\/strong>Click battery % on control bar or from main menu.\n<strong>Processor ID:<\/strong>\nLast 5 digits of unique\n100-digit factory ID.\nIdentifies individual unit.\n<strong>Battery Status:<\/strong>\nVoltage (actual) and\nState of Charge (%).\nLookup table converts\nvoltage to percentage.\n<strong>Clock Battery:<\/strong>\nStatus: \u201cOK\u201d or \u201cLow\u201d.\nCritical for timekeeping.\n<strong>SD Card:<\/strong>\nTotal capacity and\navailable space<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1544\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1544\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Sensors <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1544\" class=\"elementor-element elementor-element-ff32988 e-flex e-con-boxed e-con e-child\" data-id=\"ff32988\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e45e5e3 elementor-widget elementor-widget-heading\" data-id=\"e45e5e3\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Sensors page<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9c63666 elementor-widget elementor-widget-text-editor\" data-id=\"9c63666\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>(Three examples)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-deea3d2 elementor-widget elementor-widget-image\" data-id=\"deea3d2\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"805\" height=\"1024\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_sensors-805x1024.png\" class=\"attachment-large size-large wp-image-3862\" alt=\"Sensor Page displays individual Sensor information- this is a sampling of 3 different sensors, 5V, Air temperature and spectral band\" srcset=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_sensors-805x1024.png 805w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_sensors-236x300.png 236w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_sensors-768x977.png 768w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_sensors-1207x1536.png 1207w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_sensors.png 1484w\" sizes=\"(max-width: 805px) 100vw, 805px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">The Sensor Page displays individual Sensor information. Here are three examples. - \n<strong>Example 1 - <\/strong> \nSensor Type and Sensor: supply_5V, tps61023\n\u2022 5V supply\n\u2022 Counts\n\u2022 Voltage\n<strong>- Example 2 -<\/strong>  *plugin required -\nSensor Type and Sensor:air, hdc3022\n\u2022 Air temperature\n\u2022 Humidity percentage\n<strong>- Example 3 -<\/strong> *plugin required -\nSensor Type and Sensor: 410nm, as7265X\n\u2022 Wavelength nanometers\n\u2022 Gain\n\u2022 Integration time milliseconds\n\u2022 Raw counts\n\u2022 Normal counts per second\n\u2022 Irradiance Watts per meter squared\n\u2022 Bandwidth nanometers<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1545\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"6\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1545\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Time and Place <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1545\" class=\"elementor-element elementor-element-ea8f050 e-flex e-con-boxed e-con e-child\" data-id=\"ea8f050\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e54f494 elementor-widget elementor-widget-heading\" data-id=\"e54f494\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Time and Place<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-41b78ef elementor-widget elementor-widget-image\" data-id=\"41b78ef\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"843\" height=\"472\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_time-an-place-1024x573.png\" class=\"attachment-large size-large wp-image-3865\" alt=\"STELLA-1.2 time and place window showing system time, manual time setting and GPS Information\" srcset=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_time-an-place-1024x573.png 1024w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_time-an-place-300x168.png 300w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_time-an-place-768x430.png 768w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_time-an-place.png 1530w\" sizes=\"(max-width: 843px) 100vw, 843px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Time and Place page showing system time, manual time setting and GPS Information - <strong>System Time:<\/strong>\n\u2022 Shows date and time from onboard\nclock\n\u2022 <strong>Accuracy:<\/strong> \u00b12-3 sec\/day drift\n\u2022 <strong>GPS sync:<\/strong> checks once\/min, autosets\ntime\n\u2022 Shows \u201cRTC != GPS\u201d when\nmismatch\n<strong>Manual Time Setting:<\/strong>\n\u201cSet Clock\u201d button for indoor use\nvia serial link. GPS overrides when\nfix acquired.\n<strong>GPS Information:<\/strong>\n\u2022 <strong>Coordinates:<\/strong> Lat, Lon, Altitude\n\u2022 \u201cFix = True\u201d when locked<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1546\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"7\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1546\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Sample Data <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1546\" class=\"elementor-element elementor-element-b0900ec e-flex e-con-boxed e-con e-child\" data-id=\"b0900ec\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8cd592e elementor-widget elementor-widget-heading\" data-id=\"8cd592e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Sample Data<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-893b804 elementor-widget elementor-widget-image\" data-id=\"893b804\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"843\" height=\"582\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_SampleData-1024x707.png\" class=\"attachment-large size-large wp-image-3875\" alt=\"STELLA-1.2 sample data diagram\" srcset=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_SampleData-1024x707.png 1024w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_SampleData-300x207.png 300w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_SampleData-768x530.png 768w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_SampleData-1536x1060.png 1536w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/02\/STELLA_12_SampleData-2048x1414.png 2048w\" sizes=\"(max-width: 843px) 100vw, 843px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">STELLA-1.2 sample data diagram - \n<strong>Instrument ID:<\/strong>\nUnique ID\nderived from\nmicroprocessor\n<strong>Measurement\nNumber:<\/strong>\nInstrument ID-Time\nUTC-sessionsession\nnumber\nsession number =\nmeasurement for the\nday\n<strong>Timestamp:<\/strong>\nTime in UTC\n(Coordinated\nUniversal Time)\n<strong>Decimal Hour:<\/strong>\nhours, minutes\nand seconds\ncan be handled\nas a unified\nvalue\n<strong>STELLA RS\n18-bands:<\/strong>\nthis will repeat for\neach measurement,\neach are considered\na sensor\n<strong> - Sensor rows: -<\/strong>\n<strong>GPS Sensor:<\/strong>\n(example)\ndivides the parameter\nunits and values into\nunderstandable\nmeasurements\n<strong>Batch Number:<\/strong>\nall measurements\nwithin continuous\nmeasurement\ncollections and\nindividual burst\nmeasurement\n<strong>Burst Counter:<\/strong>\nnumber of\nmeasurements\ntaken per\nrecording\nWavelength in\nnanometers\n<strong>Integration time in\nmilliseconds:<\/strong>\nthe duration the\ndetector collects\nphotons to generate a\nsingle spectrum, acting\nsimilar to a camera\u2019s\nshutter speed\n<strong>Gain:<\/strong>\nthe amplification factor\napplied to a detected\nsignal (light intensity) by\nthe detector\u2019s electronics,\nincreasing its sensitivity to\nfaint light\n<strong>Raw Counts:<\/strong>\ndirect, unprocessed\nsignals (photons, ions, or\nelectrons) detected by an\ninstrument, representing\nthe raw data output before\nnormalization\n<strong>Normal Count per\nSecond:<\/strong>\nthe duration the detector\ncollects photons to\ngenerate a single\nspectrum, acting similar to\na camera\u2019s shutter speed\n<strong>Irradiance Watts per\nMeter Squared:\n(spectral\nmeasurements)<\/strong>\nquantifies the solar\npower incident on a\nsurface per unit area<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>The STELLA\u20101.2 features interchangeable sensor modules. The remote sensing module includes the irradiance and temperature sensors described above, and an ambient air humidity sensor. Other planned sensor modules include an air analysis module, that will measure temperature, humidity, carbon dioxide, methane, ozone, and particulates, and a generic module that can be customized to use any of the 26 sensors (light, thermal,<br \/>\ngas concentrations, electrical, range, acceleration, and magnetic field) already supported by the software.<\/p>\n","protected":false},"author":2,"featured_media":3725,"parent":291,"menu_order":10,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_lmt_disableupdate":"no","_lmt_disable":"","footnotes":""},"class_list":["post-3837","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>STELLA-1.2 - STELLA<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/science.gsfc.nasa.gov\/stella\/instruments\/stella-1-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"STELLA-1.2 - STELLA\" \/>\n<meta property=\"og:description\" content=\"The STELLA\u20101.2 features interchangeable sensor modules. The remote sensing module includes the irradiance and temperature sensors described above, and an ambient air humidity sensor. Other planned sensor modules include an air analysis module, that will measure temperature, humidity, carbon dioxide, methane, ozone, and particulates, and a generic module that can be customized to use any of the 26 sensors (light, thermal, gas concentrations, electrical, range, acceleration, and magnetic field) already supported by the software.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/science.gsfc.nasa.gov\/stella\/instruments\/stella-1-2\/\" \/>\n<meta property=\"og:site_name\" content=\"STELLA\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-22T17:14:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/12\/579886336_17902786911297070_2243212024720624518_n.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"362\" \/>\n\t<meta property=\"og:image:height\" content=\"400\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"21 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/science.gsfc.nasa.gov\/stella\/instruments\/stella-1-2\/\",\"url\":\"https:\/\/science.gsfc.nasa.gov\/stella\/instruments\/stella-1-2\/\",\"name\":\"STELLA-1.2 - STELLA\",\"isPartOf\":{\"@id\":\"https:\/\/science.gsfc.nasa.gov\/stella\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/science.gsfc.nasa.gov\/stella\/instruments\/stella-1-2\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/science.gsfc.nasa.gov\/stella\/instruments\/stella-1-2\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/12\/579886336_17902786911297070_2243212024720624518_n.webp\",\"datePublished\":\"2026-02-16T19:15:26+00:00\",\"dateModified\":\"2026-03-22T17:14:34+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/science.gsfc.nasa.gov\/stella\/instruments\/stella-1-2\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/science.gsfc.nasa.gov\/stella\/instruments\/stella-1-2\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/science.gsfc.nasa.gov\/stella\/instruments\/stella-1-2\/#primaryimage\",\"url\":\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/12\/579886336_17902786911297070_2243212024720624518_n.webp\",\"contentUrl\":\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/12\/579886336_17902786911297070_2243212024720624518_n.webp\",\"width\":362,\"height\":400,\"caption\":\"Students examine STELLA instruments at the GCCC STEM Fair. 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