A dust sensor is an optical electronic system to detect fine particles such as dust. In principle, an optical dust sensor detects the dust particle concentration the in air by using an optical sensing ...

We’ve seen a lot of environmental monitoring projects here at Hackaday. Seriously, a lot. They usually take the form of a microcontroller, a couple sensors, and maybe a 3D printed case to keep it all ...

Air Quality Sensor with information dashboard and mobile notification functionality. Made with an Arduino ESP32, IFTTT, io.adafruit and multiple sensors wires, and resistors. Air pollution is ...