Introduction
Welcome to Arduino Project Handbook, Volume 2. If you haven’t read the first volume, don’t worry—each project in this book is completely independent and designed to gently introduce you to the world of building with Arduino. We’ll cover some of the important aspects of getting started with Arduino here and in the next chapter, so if you’ve read Volume 1 you can either skim through as a refresher or skip ahead to dive straight into the new projects.
This book uses the Arduino Uno, a small, inexpensive computer that can be programmed to control endless devices and creations. You’ll soon use the Arduino to control a whole host of projects, like a musical keyboard, temperature-controlled fan, digital thermometer, fingerprint entry system, ...
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