Keep the freezer in an out-of-the-way spot and your food is at even greater risk. Mitigating that risk is the job of this junkbox power failure alarm. [Derek]’s freezer is in the garage ...

550,000 people around western Washington lost power ...

When your power goes out, a clock starts running on your food. Once it’s been above refrigerator temperatures for more than ...

And since they’re usually chillin’ out of sight ... [Adam]’s homemade freezer failure alarm is a cheap and open solution that ticks all the boxen. It runs on mains power and uses a 100dB ...