CO2 Detector (Wemos D1 mini, SGP30, DHT22) By Guillermo Amat Gomariz (deuteros76) · Example build · 10 views · 0 remixes A small through-hole board with traffic-light LEDs that shows indoor eCO2 levels and publishes readings to Home Assistant over MQTT 0SaveRemixCopy link Estimated parts costNo price seen yetDifficultyEasyParts1 part · 1 pcs Start the assembly guide →
