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Arduino I2C Modules

Hans-Jürgen Dinges edited this page Sep 18, 2017 · 1 revision

Arduino I2C-Bus Modules


Note: Gateways can be used separately. Follow this Link for a quick overview about all Modules and possible Combinations.

Tested Modules for the I2C-Bus Addon:

Module Purpose Where to Buy (examples) Additional Library
BME280 Temperature, Humidity and Pressure Aliexpress, Adafruit, Sparkfun SparkFun BME280 library
BH1750 Light / Ambience Aliexpress

Hardware setup

Connect the following pins:

I2C Module Arduino Uno
Vcc 5V
ADD N/C (Not Connected)

Before connecting the Power Pins check the voltage that your sensor can accept (5V or 3,3V) and connect it to the corresponding power supply pin


Software setup

Uncomment the wiring for I2C wiring and comment the other wiring

#define I2C_Wiring

//#define Classic_Wiring

in user_config.h

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