When the power flickers off and on, your freezer quietly becomes a high‑stakes guessing game. You need a simple way to tell ...
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.
When meat prices climb, your freezer stops being a convenience and becomes a serious financial tool. Every overlooked steak, ...