The sensor shown here is essentially two plates mounted side-by-side, attached to an Arduino Nano using the Capacitor library which uses just two pins, one digital and one analog.

Watch the video below to learn more about this awesome DIY Arduino watch that uses a GY-87 sensor board, that offers three sensors in the form of HMC5883L for the compass, BMP085 for the pressure ...

Posted in Arduino Hacks, Misc Hacks Tagged air quality, Air quality sensors, arduino, dust meter, dust sensor, emissions ← Federico Musto Of Arduino SRL Shows Off New ARM-based Arduino Boards ...