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.
If your freezer isn't working right, check for worn gaskets, dirty coils, or an overly empty freezer. Humid weather, dirty coils, and old models can lead to freezers that can't maintain the right ...
Although ultra-low temperature (ULT) freezers are specifically designed to work between -86°C and -45°C, they often work at a set temperature of -70°C or -80°C. These freezers can last for about 12 to ...