Axel Beckert ⌨🐧🐪🚴😷 XTaran on Nostr: I should open the window. (Source code and instructions at ) #CO2Sensor #AirQuality ... I should open the window.(Source code and instructions at https://github.com/xtaran/co2-led-meter)#CO2Sensor #AirQuality #Pimoroni #RaspberryPiZero #RaspberryPi #Sensirion #BreakoutGarden