The dual-channel PID controller was originally meant as a humidity and temperature controller and ... and moving the controller to an ESP32 platform, [knifter] has essentially a brand new piece ...

[Harvs] hacked a cheap PID controller he found ... this meant the controller was assuming the cold junction was at room temperature, and would in many cases be significantly inaccurate.

The selection of a suitable controller involves analyzing the whole temperature control system, as well as the controller. There are three types of controllers: PID, proportional, and on-off. The type ...