I2C expansion module support library(SKU:DFR0576).
In this way, multiple I2C devices with the same address on the same I2C port on the main control board can communicate with each other and be used normally.

Author: DFRobot

Maintainer: PengKaixing(kaixing.peng@dfrobot.com) [qsjhyy](yihuan.huang@dfrobot.com)

Read the documentation


This library is compatible with all architectures so you should be able to use it on all the Arduino boards.


To use this library, open the Library Manager in the Arduino IDE and install it from there.