Arduino Basics: Arduino to Arduino Communication

In this video we answer the quiestion: How I can I get one Arduino to talk to another. There are many ways to do this, for our purposes we are using IIC or I2C however you want to write it to pass a varible from one Arduino to another.

Info about I2c:
http://www.i2c-bus.org/i2c-bus/

DIY Breadboard USB Power Supply:
https://www.youtube.com/watch?v=j2HFww2PGdQ

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