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Bob Colwell

Bob's Articles

How To Succeed At Circuit Design By Learning From These Mistakes
March 2012
Getting better at a craft often requires you to learn from your mistakes. Follow along with this circuit design to see where the problems and pitfalls occurred, so that you can accelerate your learning from someone else's errors.

Build a Wi-Fi Sprinkler System — Part 2
February 2011
Now that you know how the Rabbit RCM5450W module works and how to interface relays and an LCD, it’s time to set up your sprinkler system.

Build a Wi-Fi Sprinkler System
January 2011
Be master of your lawn-watering system with this Wi-Fi project. This month, you’ll learn the building blocks of the Rabbit RCM5450W module that runs it.

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