Kidder Dennis - Arduino Projects for Amateur Radio

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Jack Purdum: To Hailey, Spencer, and Liam

Dennis Kidder: To Helen and Bud

Dr. Jack Purdum, W8TEE, has been a licensed ham since 1954 and is the author of 17 programming books. He retired from Purdue Universitys College of Technology where he taught various programming languages.

Dennis Kidder, W6DQ, has been a licensed ham since 1969. He is also an electrical engineer with a distinguished career in major engineering projects throughout the world, working for companies such as Raytheon and Hughes.

M icrocontrollers are cropping up everywhere, from the car you drive to the washing machine that makes you look good for work. More importantly, they are showing up in our transceivers, keyers, antenna analyzers, and other devices we use as ham radio operators. This book has two primary objectives: 1) to present some microcontroller-based projects that we hope you will find both interesting and useful, and 2) to show you just how easy it is to use these devices in projects of your own design. As you will soon discover, microcontrollers are pretty easy to use and bring a whole lot to the feature table at an extremely attractive price point.

First, we think there is a sufficient variety of projects in this book that at least several of them should appeal to you. The projects result in pieces of equipment that are both useful around the shack and inexpensive to build when compared with their commercial counterparts. Not only that, but we are pretty sure that many of you will have an ah-ha moment where you can think of extensions of, or perhaps even new, projects. If so, we hope you will share your ideas on our web site.

Finally, when you finish this book, we feel confident that you will have a better understanding of what microcontrollers are all about and how easy it is to write the software that augments their power.

For all these reasons, we hope you will read the book from start to finish. In that same vein, we assume there is no urgency on your part in reading this book. Take your time and enjoy the trip.

Dennis, Jack, Beta testers, and scores of editorial people at McGraw-Hill have scoured this book from cover to cover in every attempt to make this book perfect. Alas, despite the best efforts by all of those people, there are bound to be some hiccups along the way. Also, Jack does not profess to be the worlds authority on software development nor does Dennis presume he has cornered the market on brilliant hardware design. As hiccups show up, we will post the required solutions on the Web. McGraw-Hill maintains a web site (www.mhprofessional.com/arduinohamradio) where you can download the code in this book and read about any errors that may crop up. Rather than type in the code from the book, you should download it from the McGraw-Hill web site. That way, you know you have the latest version of the software. Likewise, if you think you have found an error, please visit the web site and post your discovery. We will maintain our own web site too. This web site, www.arduinoforhamradio.com, will serve as a clearing house for project hardware and software enhancements, new ideas and projects, and questions.