Refrigerator   This project started four years ago. I used components from a household refrigerator to convert my icebox into a powered refrigerator. After four years, I had to replace the compressor with a 12V DC model, which I had planned to do from the beginning. So far, everything has worked well with an inexpensive Chinese-made thermostat like this one. Link to AliExpress    However, I went through three of these thermostats in four years. I think the main problem lies in the sensor and sensing circuit: moisture and vibration seem to make them unreliable. After just a few days, the latest one started showing +26°C when the refrigerator was cold and +2°C when the box was warm. Maybe interference from the AC power lines affected it, but I got tired of fighting this battle. Welcome to my life ;-) I decided to design my own solution with a 1-Wire digital temperature sensor, remote refrigerator control, a connection to my boat computer, a food safety alarm if the te...