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.
Fix It Homestead on MSN
The freezer trick that keeps food safe longer when power is on-and-off
When the power flickers off and on, your freezer quietly becomes a high‑stakes guessing game. You need a simple way to tell ...
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