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ARE YOU AN adventurer? Do you boldly embark on new endeavours, tackling new skills and mastering new tools? Do you want to learn how to use technology to make your ideas burst into life? Are you curious about how you can combine computer code and electrical circuits with scissors and paper—or even needle and thread? If the answer is an emphatic “yes” then this is the book for you!

Building Wireless Sensor Networks is an essential guide for anyone interested in wireless communications for sensor networks, home networking, or device hacking. It is a first step in becoming proficient in making these systems. It is not a textbook on protocols or a complete guide to networking theory. No engineering or computer science background is expected or required. Those who have fooled around a bit with electronics or programming will certainly have a leg up, but in general, this book is aimed at hobbyists, students, makers, hardware hackers, designers, artists, and prototypers. In the chapters to come, you will scaffold your way up toward greater comfort and proficiency with hardware, software, radio, and communications. I’ll explain everything necessary to get started, at least briefly. We’ll create examples using accessible environments, such as Arduino for hardware and Processing for displays.

This book is a summary of my 32 years of experience in designing and building computer software: 7 years in the U.S. Army building software, and 25 years at the Jet Propulsion Laboratory. This period of accumulated experience also includes the information I gathered as a software management consultant to some of the finest and best U.S. corporations—indeed, the giants in our industry. The problems of quality, cost, and schedule have proven to be the same, end to end, wherever I was invited to help out. The phenomenon of schedule vs. cost vs. quality in computer science holds true for Germany, France, Holland, Denmark, and the rest of the European countries as well. I have no experience with Japan, China, or India directly, but there is no reason to believe that their computer scientists and software professionals are any different from ours.