Book Review: Arduino Cookbook

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The Arduino Cookbook, by Michael Margolis

When you first begin hacking with Arduino, as I recently have, you will most likely spend the first few weeks scouring the Internet for information. The Arduino system is so cheap, powerful, and flexible that you will immediately think of a million things to do with it. This can be a problem. Not only do many of us lack the time to build every project we've dreamt up, but using just the web for information is problematic. The docs on are great for introductory topics but I quickly found my self at its limits. As a software guy I need to know not only about Arduino itself, but sensors, components, 3rd party libraries, and power systems. In short, I need a complete electronics background to fully use my Arduino board. That's where the Arduino Cookbook comes in.

The second edition of Arduino Cookbook, by Michael Margolis, was recently published by O'Reilly. In my opinion this is the best one stop shopping source for Arduino information. It is not a pure introductory tome, though the first chapters do give you a quick review of Arduino to keep you up to date. The bulk of the book is organized around functional topics; things you would actually want to *do* with your Arduino.

The first few chapters cover the Arduino language, math, serial IO, and basic switches. Though it was not hard for me to pick up the Arduino language (essentially a simplified C++), these chapters covered a lot of finer details I had missed when reading the online docs. Each chapter is structured as a series of how-tos such as "Shifting Bits" and "Using a Switch Without External Resistors".

Later chapters cover specific topics like Getting Input from Sensors, Physical Output, Audio Output, and Wireless Communication. I really like that each how-to section not only shows you how to complete the task at hand but also gives you background into what is really going on. This is especially useful when you reach advanced topics like driving motors. The book gives a background of different kinds of motors, how they work, and how they are controlled before diving into specific tasks. This structure gives you a great electronics primer as you learn the ins and outs of Arduino.

If you buy only one book on Arduino, make it this one. It gives you everything you need to get the most out of your hacking endeavors.

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