I have an old commercial electric bakery oven with simple a simple 1 to 10 dial. I have looked into upgrading it to a digital thermostat with a PID, but have ne

I have an old commercial electric bakery oven with simple a simple 1 to 10 dial. I have looked into upgrading it to a digital thermostat with a PID, but have never figured out how I would set up the PID. This looks like a great resource.