Location: Stony Plain, AB, Canada (Stony Plain is suburb of Edmonton, home of the Oilers) Education: MS, the University of Saskatchewan in Saskatoon, SK, Canada Occupation: Gordon is semi-retired. He used to be an Electronics Technology and Computer Engineering Technology … Continue reading →

Michael Hamilton has been designing microcontroller-based systems for 25 years. Over the past 10 years, he has spearheaded two companies: A&D Technologies, which supplies wireless temperature and humidity controllers, and Point & Track, which provides data-gathering apps and other business … Continue reading →

Tom Cantrell wanted to stop fiddling with his sprinklers as he tried to balance conserving water in California and keeping his lawn green. So he asked himself if he could craft a weather-savvy sprinkler controller. In the April issue of … Continue reading →

In the open-source hardware development and distribution model, designs are created collaboratively and published openly. This enables anyone to study, modify, improve, and produce the design—for one’s own use or for sale. Open-source hardware gives users full control over the … Continue reading →

The answers to the Circuit Cellar 272 Engineering Quotient are now available. The problems and answers are listed below. Problem 1—Why does the power dissipation of a Darlington transistor tend to be higher than that of a single bipolar transistor … Continue reading →