{"id":4347,"date":"2026-03-22T15:35:54","date_gmt":"2026-03-22T15:35:54","guid":{"rendered":"https:\/\/science.gsfc.nasa.gov\/stella\/?page_id=4347"},"modified":"2026-03-22T23:38:44","modified_gmt":"2026-03-22T23:38:44","slug":"stella-prototyping-module","status":"publish","type":"page","link":"https:\/\/science.gsfc.nasa.gov\/stella\/instruments\/stella-1-2\/stella-prototyping-module\/","title":{"rendered":"STELLA-Prototyping module"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"4347\" class=\"elementor elementor-4347\">\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-Prototyping<\/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-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\"><strong>STELLA-1.2 Prototyping module<\/strong><\/p><p class=\"mb-2 whitespace-pre-wrap\">The STELLA-1.2 Prototyping Module is a generic plugin module that connects to the STELLA-1.2 base instrument structurally and electrically, providing advanced users a ready-to-go platform on which to add custom sensor packages. The module exposes a Qwiic connector and I2C bus for digital sensor communication, an analog bus for analog sensor inputs, and both 3.3V and 5V power rails to support a wide range of sensor voltage requirements. It is fully modular and swappable with other STELLA-1.2 sensor modules on the same base platform. Sensors already supported by the STELLA-1.2 software will function immediately upon connection, while unsupported sensors can be integrated by editing the open-source software.<\/p><p class=\"mb-2 whitespace-pre-wrap\">The Prototyping Module is designed to lower the financial and technical barriers to building custom instruments. The STELLA team provides a complete parts list, detailed build instructions, open-source software, and a collaborative GitHub forum. The module gives students, educators, and researchers a flexible engineering base to explore instrument design and scientific investigations beyond what existing STELLA modules already cover.<\/p><p class=\"mb-2 whitespace-pre-wrap\"><strong>Important for beta users<\/strong>: The official <strong><a href=\"https:\/\/science.gsfc.nasa.gov\/stella\/instruments\/stella-1-2\/\">STELLA-1.2<\/a><\/strong> requires new housing and is <strong>not compatible with beta sensor modules<\/strong>. A <strong><a href=\"https:\/\/youtu.be\/PD5MnGaQ8Qw?si=Ye1PeLZZM_8eEYSa\" target=\"_blank\" rel=\"noopener\">conversion video<\/a><\/strong> guides beta testers through rewiring for the new platform.\u00a0<\/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=\"4347\" 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\/4347\/page\/2\/\">2<\/a>\n<a class=\"page-numbers\" href=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-json\/wp\/v2\/pages\/4347\/page\/3\/\">3<\/a>\n<a class=\"next page-numbers\" href=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-json\/wp\/v2\/pages\/4347\/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-Prototyping Module 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-Prototyping Module 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-Prototyping Module Build Steps<\/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 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-be031e9 elementor-widget elementor-widget-heading\" data-id=\"be031e9\" 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\">Commercial Off The Shelf (COTS) Parts<\/h2>\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-20\" class=\"tablepress tablepress-id-20\">\n<thead>\n<tr class=\"row-1\">\n\t<th colspan=\"6\" class=\"column-1\">STELLA-1.2 protyping parts list<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"row-2\">\n\t<td class=\"column-1\"><strong>Line<\/strong><\/td><td class=\"column-2\"><strong>Description<\/strong><\/td><td class=\"column-3\"><strong>Quantity each<\/strong><\/td><td class=\"column-4\"><strong>Manufacturer\/ Vendor<\/strong><\/td><td class=\"column-5\"><strong>Manufacturer PN<\/strong><\/td><td class=\"column-6\"><strong>Unit Price<\/strong><\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\"><strong>1<\/strong><\/td><td class=\"column-2\"><strong>Permaproto board, half size<\/strong><\/td><td class=\"column-3\">1<\/td><td class=\"column-4\">Adafruit<\/td><td class=\"column-5\">1609<\/td><td class=\"column-6\">5.00<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\"><strong>2<\/strong><\/td><td class=\"column-2\"><strong>Qwiic Breakout<\/strong><\/td><td class=\"column-3\">1<\/td><td class=\"column-4\">Adafruit<\/td><td class=\"column-5\">5961<\/td><td class=\"column-6\">1.95<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\"><strong>3<\/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\">7.00<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\"><strong>4<\/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\">6.00<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/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-386efec elementor-widget elementor-widget-heading\" data-id=\"386efec\" 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\">3D Parts<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4df52a9 elementor-widget elementor-widget-image\" data-id=\"4df52a9\" 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\t<a href=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/03\/Prototyping_3D_prints-scaled.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"Prototyping_3D_prints\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NDM2NywidXJsIjoiaHR0cHM6XC9cL3NjaWVuY2UuZ3NmYy5uYXNhLmdvdlwvc3RlbGxhXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDI2XC8wM1wvUHJvdG90eXBpbmdfM0RfcHJpbnRzLXNjYWxlZC5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"517\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/03\/Prototyping_3D_prints-768x517.png\" class=\"attachment-medium_large size-medium_large wp-image-4367\" alt=\"STELLA-1.2 Prototyping 3D parts\" srcset=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/03\/Prototyping_3D_prints-768x517.png 768w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/03\/Prototyping_3D_prints-300x202.png 300w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/03\/Prototyping_3D_prints-1024x689.png 1024w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/03\/Prototyping_3D_prints-1536x1034.png 1536w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2026\/03\/Prototyping_3D_prints-2048x1379.png 2048w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\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-3abfbee elementor-widget elementor-widget-shortcode\" data-id=\"3abfbee\" 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-26\" class=\"tablepress tablepress-id-26\">\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\">Main 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\">End Cap<\/td><td class=\"column-3\">1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/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-59be809 elementor-widget__width-inherit elementor-widget elementor-widget-premium-addon-image-button\" data-id=\"59be809\" 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\/Cam-R2nl4-k\" 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 Prototyping Module 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-991950d elementor-widget elementor-widget-shortcode\" data-id=\"991950d\" 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-25\" class=\"tablepress tablepress-id-25\">\n<thead>\n<tr class=\"row-1\">\n\t<th colspan=\"8\" class=\"column-1\">STELLA-1.2 prototyping module  build procedure \u2014 updated 2026_3-21<\/th><td class=\"column-9\"><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"row-2\">\n\t<td class=\"column-1\"><strong>Line<\/strong><\/td><td class=\"column-2\"><strong>Description<\/strong><\/td><td class=\"column-3\"><strong>Function<\/strong><\/td><td class=\"column-4\"><strong>MC pin<\/strong><\/td><td class=\"column-5\"><strong>Front\/ Rear<\/strong><\/td><td class=\"column-6\"><strong>Location 1<\/strong><\/td><td class=\"column-7\"><strong>Location 2<\/strong><\/td><td class=\"column-8\"><strong>color\/ note<\/strong><\/td><td class=\"column-9\"><strong>Notes<\/strong><\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">1<\/td><td class=\"column-2\">3D print<\/td><td class=\"column-3\"> spacer<\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><strong>-<\/strong><\/td><td class=\"column-6\"><strong>-<\/strong><\/td><td class=\"column-7\"><strong>-<\/strong><\/td><td class=\"column-8\">particulate sensor spacer<\/td><td class=\"column-9\"><\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">1<\/td><td class=\"column-2\"><strong>cut traces<\/strong><\/td><td class=\"column-3\"><strong>bus traces<\/strong><\/td><td class=\"column-4\"><strong><\/strong><\/td><td class=\"column-5\"><strong>Rear<\/strong><\/td><td class=\"column-6\"><strong>30 AB, BC, CD<\/strong><\/td><td class=\"column-7\"><strong><\/strong><\/td><td class=\"column-8\"><strong>cut traces with a sharp knife, remove segment<\/strong><\/td><td class=\"column-9\"><strong>test continuity<\/strong><\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">1<\/td><td class=\"column-2\"><strong>cut traces<\/strong><\/td><td class=\"column-3\"><strong>analog traces<\/strong><\/td><td class=\"column-4\"><strong><\/strong><\/td><td class=\"column-5\"><strong>Rear<\/strong><\/td><td class=\"column-6\"><strong>30 Hi, iJ<\/strong><\/td><td class=\"column-7\"><strong><\/strong><\/td><td class=\"column-8\"><strong>cut traces with a sharp knife, remove segment<\/strong><\/td><td class=\"column-9\">test continuity<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">1<\/td><td class=\"column-2\"><strong>magnet coupler 4 pos<\/strong><\/td><td class=\"column-3\"><strong>4 pin, pin face<\/strong><\/td><td class=\"column-4\"><strong><\/strong><\/td><td class=\"column-5\"><strong>Front<\/strong><\/td><td class=\"column-6\"><strong>A30, B30,C30, D30<\/strong><\/td><td class=\"column-7\"><strong>[x]<\/strong><\/td><td class=\"column-8\"><strong>use alignment fixture<\/strong><\/td><td class=\"column-9\"><strong>don\u2019t solder before wire placement<\/strong><\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">1<\/td><td class=\"column-2\"><strong>magnet coupler 3 pos<\/strong><\/td><td class=\"column-3\"><strong>3 pin, pin face<\/strong><\/td><td class=\"column-4\"><strong><\/strong><\/td><td class=\"column-5\"><strong>Front<\/strong><\/td><td class=\"column-6\"><strong>H30, i30, J30<\/strong><\/td><td class=\"column-7\"><strong>[x]<\/strong><\/td><td class=\"column-8\"><strong>use alignment fixture<\/strong><\/td><td class=\"column-9\"><strong>don\u2019t solder before wire placement<\/strong><\/td>\n<\/tr>\n<tr class=\"row-8\">\n\t<td class=\"column-1\">1<\/td><td class=\"column-2\"><strong>bus coupler wires<\/strong><\/td><td class=\"column-3\"><strong>GND<\/strong><\/td><td class=\"column-4\"><strong><\/strong><\/td><td class=\"column-5\"><strong>Front<\/strong><\/td><td class=\"column-6\"><strong>B29-B30<\/strong><\/td><td class=\"column-7\"><strong>GND (-) below A30<\/strong><\/td><td class=\"column-8\"><div class=\"gnd\">GND<\/div><\/td><td class=\"column-9\"><\/td>\n<\/tr>\n<tr class=\"row-9\">\n\t<td class=\"column-1\">1<\/td><td class=\"column-2\"><strong>bus coupler wires<\/strong><\/td><td class=\"column-3\"><strong>3V<\/strong><\/td><td class=\"column-4\"><strong><\/strong><\/td><td class=\"column-5\"><strong>Front<\/strong><\/td><td class=\"column-6\"><strong>A29-A30<\/strong><\/td><td class=\"column-7\"><strong>3V (+) below A30<\/strong><\/td><td class=\"column-8\"><div class=\"v3\">+3.3V<\/div><\/td><td class=\"column-9\"><\/td>\n<\/tr>\n<tr class=\"row-10\">\n\t<td class=\"column-1\">1<\/td><td class=\"column-2\"><strong>bus coupler wires<\/strong><\/td><td class=\"column-3\"><strong>I2C_SCL<\/strong><\/td><td class=\"column-4\"><strong><\/strong><\/td><td class=\"column-5\"><strong>Front<\/strong><\/td><td class=\"column-6\"><strong>C29-C30<\/strong><\/td><td class=\"column-7\"><strong>SCL (-) above J30<\/strong><\/td><td class=\"column-8\"><div class=\"SCL\">i2c Serial<\/div><\/td><td class=\"column-9\"><\/td>\n<\/tr>\n<tr class=\"row-11\">\n\t<td class=\"column-1\">1<\/td><td class=\"column-2\"><strong>bus coupler wires<\/strong><\/td><td class=\"column-3\"><strong>I2C_SDA<\/strong><\/td><td class=\"column-4\"><strong><\/strong><\/td><td class=\"column-5\"><strong>Front<\/strong><\/td><td class=\"column-6\"><strong>E30<\/strong><\/td><td class=\"column-7\"><strong>SDA (+) above J30<\/strong><\/td><td class=\"column-8\"><div class=\"SDA\">i2c Serial Data<\/div><\/td><td class=\"column-9\"><\/td>\n<\/tr>\n<tr class=\"row-12\">\n\t<td class=\"column-1\">1<\/td><td class=\"column-2\"><strong>bus coupler wires<\/strong><\/td><td class=\"column-3\"><strong>GND<\/strong><\/td><td class=\"column-4\"><strong><\/strong><\/td><td class=\"column-5\"><strong>Front<\/strong><\/td><td class=\"column-6\"><strong>A25<\/strong><\/td><td class=\"column-7\"><strong>GND (-) below A25<\/strong><\/td><td class=\"column-8\"><div class=\"gnd\">GND<\/div><\/td><td class=\"column-9\"><\/td>\n<\/tr>\n<tr class=\"row-13\">\n\t<td class=\"column-1\">1<\/td><td class=\"column-2\"><strong>bus coupler wires<\/strong><\/td><td class=\"column-3\"><strong>3V<\/strong><\/td><td class=\"column-4\"><strong><\/strong><\/td><td class=\"column-5\"><strong>Front<\/strong><\/td><td class=\"column-6\"><strong>A26<\/strong><\/td><td class=\"column-7\"><strong>3V (+) below A26<\/strong><\/td><td class=\"column-8\"><div class=\"v3\">+3.3V<\/div><\/td><td class=\"column-9\"><\/td>\n<\/tr>\n<tr class=\"row-14\">\n\t<td class=\"column-1\">1<\/td><td class=\"column-2\"><strong>bus coupler wires<\/strong><\/td><td class=\"column-3\"><strong>I2C_SCL<\/strong><\/td><td class=\"column-4\"><strong><\/strong><\/td><td class=\"column-5\"><strong>Front<\/strong><\/td><td class=\"column-6\"><strong>J24<\/strong><\/td><td class=\"column-7\"><strong>SCL (-) above J24<\/strong><\/td><td class=\"column-8\"><div class=\"SCL\">i2c Serial<\/div><\/td><td class=\"column-9\"><\/td>\n<\/tr>\n<tr class=\"row-15\">\n\t<td class=\"column-1\">1<\/td><td class=\"column-2\"><strong>bus coupler wires<\/strong><\/td><td class=\"column-3\"><strong>I2C_SDA<\/strong><\/td><td class=\"column-4\"><strong><\/strong><\/td><td class=\"column-5\"><strong>Front<\/strong><\/td><td class=\"column-6\"><strong>J23<\/strong><\/td><td class=\"column-7\"><strong>SDA (+) above J23<\/strong><\/td><td class=\"column-8\"><div class=\"SDA\">i2c Serial Data<\/div><\/td><td class=\"column-9\"><\/td>\n<\/tr>\n<tr class=\"row-16\">\n\t<td class=\"column-1\">1<\/td><td class=\"column-2\"><strong>bus coupler wires<\/strong><\/td><td class=\"column-3\"><strong>GND<\/strong><\/td><td class=\"column-4\"><strong><\/strong><\/td><td class=\"column-5\"><strong>Front<\/strong><\/td><td class=\"column-6\"><strong>E25<\/strong><\/td><td class=\"column-7\"><strong>F25<\/strong><\/td><td class=\"column-8\"><div class=\"gnd\">GND<\/div><\/td><td class=\"column-9\"><\/td>\n<\/tr>\n<tr class=\"row-17\">\n\t<td class=\"column-1\">1<\/td><td class=\"column-2\"><strong>bus coupler wires<\/strong><\/td><td class=\"column-3\"><strong>3V<\/strong><\/td><td class=\"column-4\"><strong><\/strong><\/td><td class=\"column-5\"><strong>Front<\/strong><\/td><td class=\"column-6\"><strong>E26<\/strong><\/td><td class=\"column-7\"><strong>F26<\/strong><\/td><td class=\"column-8\"><div class=\"v3\">+3.3V<\/div><\/td><td class=\"column-9\"><\/td>\n<\/tr>\n<tr class=\"row-18\">\n\t<td class=\"column-1\">1<\/td><td class=\"column-2\"><strong>bus coupler wires<\/strong><\/td><td class=\"column-3\"><strong>I2C_SCL<\/strong><\/td><td class=\"column-4\"><strong><\/strong><\/td><td class=\"column-5\"><strong>Front<\/strong><\/td><td class=\"column-6\"><strong>E24<\/strong><\/td><td class=\"column-7\"><strong>F24<\/strong><\/td><td class=\"column-8\"><div class=\"SCL\">i2c Serial<\/div><\/td><td class=\"column-9\"><\/td>\n<\/tr>\n<tr class=\"row-19\">\n\t<td class=\"column-1\">1<\/td><td class=\"column-2\"><strong>bus coupler wires<\/strong><\/td><td class=\"column-3\"><strong>I2C_SDA<\/strong><\/td><td class=\"column-4\"><strong><\/strong><\/td><td class=\"column-5\"><strong>Front<\/strong><\/td><td class=\"column-6\"><strong>E23<\/strong><\/td><td class=\"column-7\"><strong>F23<\/strong><\/td><td class=\"column-8\"><div class=\"SDA\">i2c Serial Data<\/div><\/td><td class=\"column-9\"><\/td>\n<\/tr>\n<tr class=\"row-20\">\n\t<td class=\"column-1\">1<\/td><td class=\"column-2\"><strong>header<\/strong><\/td><td class=\"column-3\"><strong>header<\/strong><\/td><td class=\"column-4\"><strong><\/strong><\/td><td class=\"column-5\"><strong>Front<\/strong><\/td><td class=\"column-6\"><strong>D23<\/strong><\/td><td class=\"column-7\"><strong>D26<\/strong><\/td><td class=\"column-8\">header<\/td><td class=\"column-9\"><\/td>\n<\/tr>\n<tr class=\"row-21\">\n\t<td class=\"column-1\">1<\/td><td class=\"column-2\"><strong>qwiic breakout<\/strong><\/td><td class=\"column-3\"><strong>qwiic breakout<\/strong><\/td><td class=\"column-4\"><strong><\/strong><\/td><td class=\"column-5\"><strong>Front<\/strong><\/td><td class=\"column-6\"><strong>D23<\/strong><\/td><td class=\"column-7\"><strong>D26<\/strong><\/td><td class=\"column-8\">qwiic breakout<\/td><td class=\"column-9\">Towards A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/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\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>What do you want to measure? What sensors will you use? Prototype your instrument sensor package with the STELLA-1.2 Prototyping module.<\/p>\n","protected":false},"author":2,"featured_media":4348,"parent":3837,"menu_order":10,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_lmt_disableupdate":"no","_lmt_disable":"","footnotes":""},"class_list":["post-4347","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-Prototyping module - 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\/stella-prototyping-module\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"STELLA-Prototyping module - STELLA\" \/>\n<meta property=\"og:description\" content=\"What do you want to measure? 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