In my garage sits a 20-cubic-foot chest freezer, large enough to hold a side of beef or an entire pig—cut and wrapped, of course—along with frozen fruit, vegetables, and more. We bought the freezer ...

The handy project is built around a small Microchip 12F509 controller, an alarm, and a temperature sensor to remember the monitored temperature of how long it has been above a temperature set point.

WattStopper has participated in a ground-breaking demonstration of solid-state lighting (SSL) technology combined with occupancy sensors in grocery store freezer cases. The project was supported under ...