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 ...

The analog sensor on the Arduino board senses the voltage on the analog pin and converts it into a digital format that can be processed by the microcontroller. Here, we are feeding the input voltage ...

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 ...

Instructables user DIYHacksAndHowTos put together this simple pressure plate from cardboard and aluminum foil for a haunted house, but we're intrigued by the home automation prospects. You could ...