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Components Required:

1. Arduino Uno – 2 – Buy

2. Linux PC/Windows PC (Tested with Windows 10, Ubuntu 14.04 LTS)

3. USB cable A to B – 2 – Buy

4. Jumper Wires

Way to go ->

1. Connect Arduino Uno to PC via the USB cable.

2. Upload Master.ino in one Arduino and Slave.ino in the other.

Master.ino

Slave.ino

I2C

Hardware Connections ->

1. Arduino Uno to Arduino Uno

I2C_schem

I2C_bb