Rick] had a problem. His garage refrigerator was tasked with a critical duty—keeping refreshing beverages at low temperature.

The project uses a digital temperature sensor for precise control of temperature in medical applications or industries. This system is better than analog/thermostat system, which has poor accuracy.

If your refrigerator isn’t keeping food at the right temperature, the signs are hard to miss. Milk starts going bad earlier than the expiration date, ice crystals appear in your condiments, and you ...