Most use this for a smoker controller in this forum but It can be used for many things inbetween smokes. The URL below was originally posted in the Sou Vide Cooking forum but this forum has more PID users that may want to try different things.
https://www.smokingmeatforums.com/threads/6-qt-crockpot-ws-1510elpm-pid.272139/
https://www.smokingmeatforums.com/threads/6-qt-crockpot-ws-1510elpm-pid.272139/