Those of you who read the first edition of this book may have noticed some changes. We hope these have provided you with some new and exciting projects. For first time readers, we hope these changes have whetted your appetite for learning more.

Here is an overview of the topics covered in each chapter, with some of the differences from the first edition:

Chapter 1, An Introduction to the Raspberry Pi, Arduino, and Home Automation, and Chapter 2, Getting Started – Setting Up Your Raspberry Pi and Arduino, provided you with some background on the Raspberry Pi, Arduino, and the Cooking Hacks shield. We saw that we can take a third-party shield and attach it to the Raspberry Pi. This provided us with the ability to control devices hooked up to the shield (via the Raspberry Pi's GPIO pins), as we would with an Arduino microcontroller. In the second edition of the book, we looked at the Arduino in more detail, and...