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 the power flickers off and on, your freezer quietly becomes a high‑stakes guessing game. You need a simple way to tell ...
Freezers are one of the most helpful kitchen appliances of all time. They allow cooks to stock up on groceries on sale, preserve veggies and fruits in season, stash freezer meals, and provide endless ...