You can build our DIY air quality sensor based on the Arduino SDK (fully open source / open hardware) [1]. Something that many people find useful (especially m

You can build our DIY air quality sensor based on the Arduino SDK (fully open source / open hardware) [1]. Something that many people find useful (especially monitoring CO2 levels at home) and it comes with a nice 3d printable enclosure to pass SO approval ... [1] https://www.airgradient.com/diy/ https://www.airgradient.com/diy/