{"id":243028,"date":"2026-06-22T15:02:14","date_gmt":"2026-06-22T13:02:14","guid":{"rendered":"https:\/\/emariete.com\/co2-gadget-guia-sensores\/"},"modified":"2026-07-07T09:10:13","modified_gmt":"2026-07-07T07:10:13","slug":"co%e2%82%82-gadget-guide-sensors","status":"publish","type":"post","link":"https:\/\/emariete.com\/en\/co2-gadget-guia-sensores\/","title":{"rendered":"Guide to Sensors Compatible with CO2 Gadget: CO2, PM and Environmental Sensors"},"content":{"rendered":"<p class=\"wp-block-paragraph\">CO2 Gadget supports more than 20 sensors for the ESP32: CO\u2082 NDIR (Sensirion SCD30\/SCD40\/SCD41, MH-Z19, CM1106, Senseair S8), particulate matter (Sensirion SPS30, Plantower PMS5003\/PMS7003, SN-GCJA5), temperature\/humidity\/pressure (BME280, BME680, SHT31, AHT20) and VOC\/NOx (SGP40, SGP41). Here is the complete table showing compatibility, pin assignments and auto-detection.<\/p>\n\n\n\n\n\n\n<div style=\"background:#fff8dc;border:1px solid #e6c300;border-radius:8px;padding:12px 16px;margin:12px 0;font-size:14px;line-height:1.5;color:#333\">\n<strong>Documentation is currently being updated.<\/strong> We are currently reviewing and improving all our pages. You may come across a broken link or some content that hasn\u2019t been finalised yet. If you spot anything that isn\u2019t quite right, please help us fix it at <a href=\"https:\/\/github.com\/melkati\/CO2-Gadget\/issues\" style=\"color:#0066cc\">GitHub<\/a>.\n<\/div>\n\n\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<h2 class=\"wp-block-heading\">CO\u2082 sensors<\/h2>\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Sensor<\/th><th>Interface<\/th><th>Detection<\/th><\/tr><\/thead><tbody><tr><td>Sensirion SCD30<\/td><td>I\u00b2C<\/td><td>Automatic<\/td><\/tr><tr><td>Sensirion SCD40 \/ SCD41<\/td><td>I\u00b2C<\/td><td>Automatic<\/td><\/tr><tr><td>Winsen MH-Z19 (A\/B\/C\/D\/E)<\/td><td>UART<\/td><td>Manual selection<\/td><\/tr><tr><td>Cubic CM1106 \/ CM1106SL-NS<\/td><td>UART<\/td><td>Manual selection<\/td><\/tr><tr><td>Senseair S8 LP<\/td><td>UART<\/td><td>Manual selection<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<h2 class=\"wp-block-heading\">Particulate matter (PM) sensors<\/h2>\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Sensor<\/th><th>Interface<\/th><th>Publish<\/th><\/tr><\/thead><tbody><tr><td>Sensirion SPS30<\/td><td>UART \/ I\u00b2C<\/td><td>PM1, PM2.5, PM4, PM10<\/td><\/tr><tr><td>Panasonic SN-GCJA5<\/td><td>UART \/ I\u00b2C<\/td><td>PM1, PM2.5, PM4, PM10<\/td><\/tr><tr><td>Plantower (PMS x003)<\/td><td>UART<\/td><td>PM1, PM2.5, PM4, PM10<\/td><\/tr><tr><td>Nova SDS011<\/td><td>UART<\/td><td>PM2.5, PM10<\/td><\/tr><tr><td>IKEA Wind Direction<\/td><td>UART<\/td><td>PM2.5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<h2 class=\"wp-block-heading\">Environmental sensors<\/h2>\n\n\n<p class=\"wp-block-paragraph\">All of these are automatically detected via I\u00b2C: BME280, BMP280, BME680 (IAQ), SHT31, AHT10, AM2320, DFRobot SEN0469 (NH\u2083), DFRobot SEN0466 (CO) and Geiger CAJOE.<\/p>\n\n\n<h2 class=\"wp-block-heading\">How to choose the sensor<\/h2>\n\n\n<p class=\"wp-block-paragraph\">I\u00b2C sensors are detected automatically \u2014 select \u00abAuto\u00bb from the menu. For UART sensors (MH-Z19, CM1106, Senseair S8), go to <strong>Settings \u2192 CO\u2082 Sensor \u2192 Sensor<\/strong> and choose the model. Remember to save your changes.<\/p>\n\n\n<h2 class=\"wp-block-heading\">Notes<\/h2>\n\n\n<ul class=\"wp-block-list\">\n<li>I\u00b2C sensors are plug-and-play thanks to the CanAirIO sensorlib<\/li>\n<li>PM particles are published via MQTT using Home Assistant Discovery<\/li>\n<li>Check the GPIO pinout diagram to find out where to connect each sensor<\/li>\n<li><strong>CO2 Gadget supports more sensors than any commercial meter<\/strong><\/li>\n<\/ul>\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<p class=\"wp-block-paragraph\"><em>Did you find this helpful? Share this article. Have a look at the <a href=\"https:\/\/emariete.com\/en\/co2-gadget-guide-menu\/\">Menu Guide<\/a>. Any questions? Ask on the <a href=\"https:\/\/t.me\/emariete_chat\">Telegram group<\/a>.<\/em><\/p>\n<div class=\"essb_break_scroll\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Guide to sensors compatible with CO2 Gadget. All supported CO\u2082, PM and environmental sensors: SCD30, SCD40, SCD41, MH-Z19, CM1106, S8, SPS30 and more.<\/p>","protected":false},"author":1,"featured_media":243260,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[13,16,18],"tags":[24,71,50],"class_list":["post-243028","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-co2-gadget","category-medidor-co2","category-sensores-de-co2","tag-co2-gadget","tag-co2-gadget-guias","tag-sensores"],"modified_by":"Bautista","uagb_featured_image_src":{"full":["https:\/\/emariete.com\/wp-content\/uploads\/2026\/07\/Blue_banner_with_text_202607050739-1.jpeg",1376,768,false],"thumbnail":["https:\/\/emariete.com\/wp-content\/uploads\/2026\/07\/Blue_banner_with_text_202607050739-1-150x150.jpeg",150,150,true],"medium":["https:\/\/emariete.com\/wp-content\/uploads\/2026\/07\/Blue_banner_with_text_202607050739-1-300x167.jpeg",300,167,true],"medium_large":["https:\/\/emariete.com\/wp-content\/uploads\/2026\/07\/Blue_banner_with_text_202607050739-1-768x429.jpeg",768,429,true],"large":["https:\/\/emariete.com\/wp-content\/uploads\/2026\/07\/Blue_banner_with_text_202607050739-1-1024x572.jpeg",1024,572,true],"1536x1536":["https:\/\/emariete.com\/wp-content\/uploads\/2026\/07\/Blue_banner_with_text_202607050739-1.jpeg",1376,768,false],"2048x2048":["https:\/\/emariete.com\/wp-content\/uploads\/2026\/07\/Blue_banner_with_text_202607050739-1.jpeg",1376,768,false],"trp-custom-language-flag":["https:\/\/emariete.com\/wp-content\/uploads\/2026\/07\/Blue_banner_with_text_202607050739-1-18x10.jpeg",18,10,true]},"uagb_author_info":{"display_name":"Mariete","author_link":"https:\/\/emariete.com\/en\/author\/admin_xlyz052h\/"},"uagb_comment_info":0,"uagb_excerpt":"Gu\u00eda de sensores compatibles con CO2 Gadget. Todos los sensores de CO\u2082, part\u00edculas PM y ambientales soportados: SCD30, SCD40, SCD41, MH-Z19, CM1106, S8, SPS30 y m\u00e1s.","_links":{"self":[{"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/posts\/243028","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/comments?post=243028"}],"version-history":[{"count":13,"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/posts\/243028\/revisions"}],"predecessor-version":[{"id":243282,"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/posts\/243028\/revisions\/243282"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/media\/243260"}],"wp:attachment":[{"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/media?parent=243028"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/categories?post=243028"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/tags?post=243028"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}