This book uses a wide range of hardware to demonstrate what can be achieved by
combining hardware and software in various ways. To get the most out of this book, it is highly recommended that you experiment with some of the hardware projects. I feel that it is particularly rewarding to observe physical results from your coding efforts, and this is where Raspberry Pi differs from a typical computer.
A common problem is finding the right components for a project while not spending a fortune on it. All the hardware components used in this book focus on using low-cost items that can usually be purchased from a variety of suppliers, in most cases, for only a few dollars.
To help you locate suitable items, this appendix will list each hardware item used in the chapters with links to where they can be obtained. The list is not exhaustive, and it is likely that the availability...