{"product_id":"co2-sensor-scd-41","title":"CO2 Sensor (SCD-41)","description":"\u003cp\u003eMeasure \u003cem\u003ereal\u003c\/em\u003e CO₂, not a guess. The SCD-41 uses Sensirion's photoacoustic NDIR technology to detect actual CO₂ molecules, unlike cheap \"eCO₂\" sensors that just estimate levels from VOCs. You get accurate carbon dioxide readings plus onboard temperature and humidity, all from one of the smallest true CO₂ sensors on the market.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e- Sensirion SCD-41 true CO₂ sensor\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e- Photoacoustic NDIR, measures real CO₂, not estimated eCO₂\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e- 400–5,000 ppm measurement range\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e- ±(40 ppm + 5% of reading) accuracy\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e- Onboard temperature \u0026amp; humidity sensing\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e- I²C interface\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e- 22 mm × 22 mm square\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e- 4× ⌀2.7 mm Mounting Holes\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e- Arduino IDE Compatible\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e- MicroPython Compatible\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e- MicroBlocks Compatible\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/eu.mouser.com\/datasheet\/3\/1278\/1\/CD_DS_SCD4x_Datasheet_D1.pdf\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 256 256\" fill=\"currentColor\" style=\"display:inline-block;vertical-align:middle;width:16px;height:16px;margin-right:4px\"\u003e\u003cpath d=\"M213.66,82.34l-56-56A8,8,0,0,0,152,24H56A16,16,0,0,0,40,40V216a16,16,0,0,0,16,16H200a16,16,0,0,0,16-16V88A8,8,0,0,0,213.66,82.34ZM160,51.31,188.69,80H160ZM200,216H56V40h88V88a8,8,0,0,0,8,8h48V216Zm-32-80a8,8,0,0,1-8,8H96a8,8,0,0,1,0-16h64A8,8,0,0,1,168,136Zm0,32a8,8,0,0,1-8,8H96a8,8,0,0,1,0-16h64A8,8,0,0,1,168,168Z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e Material Datasheet\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0966\/7756\/0659\/files\/SCH_AX22-0059.pdf?v=1787488773\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 256 256\" fill=\"currentColor\" style=\"display:inline-block;vertical-align:middle;width:16px;height:16px;margin-right:4px\"\u003e\u003cpath d=\"M208,32H48A16,16,0,0,0,32,48V208a16,16,0,0,0,16,16H208a16,16,0,0,0,16-16V48A16,16,0,0,0,208,32ZM88,160a8,8,0,1,1-8,8A8,8,0,0,1,88,160ZM48,48H80v97.38a24,24,0,1,0,16,0V115.31l48,48V208H48ZM208,208H160V160a8,8,0,0,0-2.34-5.66L96,92.69V48h32V72a8,8,0,0,0,2.34,5.66l16,16A23.74,23.74,0,0,0,144,104a24,24,0,1,0,24-24,23.74,23.74,0,0,0-10.34,2.35L144,68.69V48h64V208ZM168,96a8,8,0,1,1-8,8A8,8,0,0,1,168,96Z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e Circuit Schematic\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0966\/7756\/0659\/files\/STP_AX22-0059.step?v=1787488775\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 256 256\" fill=\"currentColor\" style=\"display:inline-block;vertical-align:middle;width:16px;height:16px;margin-right:4px\"\u003e\u003cpath d=\"M223.68,66.15,135.68,18h0a15.88,15.88,0,0,0-15.36,0l-88,48.17a16,16,0,0,0-8.32,14v95.64a16,16,0,0,0,8.32,14l88,48.17a15.88,15.88,0,0,0,15.36,0l88-48.17a16,16,0,0,0,8.32-14V80.18A16,16,0,0,0,223.68,66.15ZM128,32h0l80.34,44L128,120,47.66,76ZM40,90l80,43.78v85.79L40,175.82Zm96,129.57V133.82L216,90v85.78Z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e 3D Model (STEP)\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.axiometa.io\/products\/co2-sensor-scd-41\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 256 256\" fill=\"currentColor\" style=\"display:inline-block;vertical-align:middle;width:16px;height:16px;margin-right:4px\"\u003e\u003cpath d=\"M237.66,18.34a8,8,0,0,0-11.32,0l-52.4,52.41-5.37-5.38a32.05,32.05,0,0,0-45.26,0L100,88.69l-6.34-6.35A8,8,0,0,0,82.34,93.66L88.69,100,65.37,123.31a32,32,0,0,0,0,45.26l5.38,5.37-52.41,52.4a8,8,0,0,0,11.32,11.32l52.4-52.41,5.37,5.38a32,32,0,0,0,45.26,0L156,167.31l6.34,6.35a8,8,0,0,0,11.32-11.32L167.31,156l23.32-23.31a32,32,0,0,0,0-45.26l-5.38-5.37,52.41-52.4A8,8,0,0,0,237.66,18.34Zm-116.29,161a16,16,0,0,1-22.62,0L76.69,157.25a16,16,0,0,1,0-22.62L100,111.31,144.69,156Zm57.94-57.94L156,144.69,111.31,100l23.32-23.31a16,16,0,0,1,22.62,0l22.06,22A16,16,0,0,1,179.31,121.37ZM88.57,35A8,8,0,0,1,103.43,29l8,20A8,8,0,0,1,96.57,55ZM24.57,93A8,8,0,0,1,35,88.57l20,8A8,8,0,0,1,49,111.43l-20-8A8,8,0,0,1,24.57,93ZM231.43,163a8,8,0,0,1-10.4,4.46l-20-8A8,8,0,1,1,207,144.57l20,8A8,8,0,0,1,231.43,163Zm-64,58.06A8,8,0,0,1,152.57,227l-8-20A8,8,0,0,1,159.43,201Z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e Pinout Diagram\u003c\/a\u003e\u003c\/p\u003e","brand":"HackMakeMod","offers":[{"title":"Default Title","offer_id":67719808549032,"sku":"AX22-0059","price":68.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0499\/2752\/0424\/files\/AX22-0059-HERO-1.png?v=1792722800","url":"https:\/\/hackmakemod.com\/products\/co2-sensor-scd-41","provider":"HackMakeMod","version":"1.0","type":"link"}