Mai 16, 2016 Oliver Prislan
Wikis > Prismatec Wiki > Sensors

Illumination Sensor  (BH1750)

it uses I2C-bus and gives lightening levels in lux.

The sensor can be obtained for ~2€ (if ordered from China)

The library can be downloaded from and coppied into the arduino library folder.

The Arduino Nano uses analogue port A4 and A5 for I2C.


Temperature & Humidity Sensor (DHT22)

the DHT sensor is using the Serial Periferal Inerface (SPI), which allows any digital port to be used.

The corresponding library can be obtained via :