Why would you need a PID controller? All you need to do is power the heating element until your sensor reads the desired temp, then shut it off. A PID (http://e

Why would you need a PID controller? All you need to do is power the heating element until your sensor reads the desired temp, then shut it off. A PID (http://en.wikipedia.org/wiki/PID_controller http://en.wikipedia.org/wiki/PID_controller) is way overkill. Also "PID tuning"? What would there be to tune? There's some serious overcomplication going on here.