It’s surprisingly easy to make your own simple air quality sensor. All you need is a cheap laser-scattering particulate matter sensor, a Wemos D1 Mini, a soldering iron, and Tasmota. Part 1 shows how to make the simplest possible version of the SuperHouse Air Quality Sensor, the “Basic” version. Part 2 shows how to improve … Continue reading #38: DIY air quality sensor, part 1 – “Basic” version