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.

Deep freezers are a great thing to have, especially when the world gets apocalyptic. Of course, freezers are only good when they’re operating properly. And since they’re usually chillin’ out of sight ...

We rely on our freezers to store food and safely preserve it, but is your freezer actually cold enough to do the job? Your freezer keeps food cold, which prevents bacteria from growing. This is ...