One of the coolest devices for cooking and brewing is a temperature-controlled crock pot. I actually have a similar project that I am working on using a PID to control the temperature of my Korean rice wine that I brew at home but you can use this example of a DIY PID-controlled crock pot for many applications.
There are some home appliances you simply can’t buy (way too expensive) but you can make them yourself using a PID controller.
What is a PID controller?
PID controller is basically a piece of computer that can control temperature of another electr