C H A P T E R  3

Atmel AVR

Let’s get to know the little computer chip at the heart of your Arduino. You start on the outside and work your way in, with a brief look at the origins and background of the AVR line.

Chapter 1 spent a little time talking about the AVR, mostly as a single component within a larger system. But what a component! There’s an entire world inside that little chip. To really be able to take advantage of the potential of your Arduino in your past, present, and future Arduino projects, you need a good understanding of how this part works, what it can do, and how to make it do it. It all starts here. Remember, your Arduino is “just an AVR development board.”

The Arduino Team has taken elaborate measures to hide the complexity ...

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