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Arduino For Dummies by John Nussey

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Chapter 6

A Primer on Electricity and Circuitry

In This Chapter

arrow Coming to grips with electricity

arrow Understanding a few useful equations

arrow Finding your way around circuit diagrams

arrow Realising the importance of color coding

In this chapter, you look at the fundamentals of electricity. In later chapters, you delve deeper into electronics, so it’s important that you have a basic understanding of how electricity behaves in your circuit.

The great thing about Arduino is that you don’t need to study electronics for years to use it. That being said, it’s a good idea to know a bit of the theory to back up the practical side of your project. In this chapter, you look at a few equations to help you build a balanced and efficient circuit; you look at circuit diagrams, which provide you with a roadmap of your circuit; and you learn a bit about color coding, which can make your life easier when building circuits.

Understanding Electricity

Electricity is one of those things that most people take for granted but find difficult to define. Simply put, electricity is a form of energy resulting from the ...

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