Prior Art - ericdmoore/SmokeHousePi GitHub Wiki https://pibbqmonitor.blogspot.com/2014/09/three-probe-temperature-monitor-for.html https://github.com/justindean/PitmasterPi https://hackaday.io/project/9515-bbq-wlan-thermometer https://www.youtube.com/watch?v=-JCOAqRopGM https://www.instructables.com/id/PID-Control-for-CPU-Temperature-of-Raspberry-Pi/ https://www.sparkfun.com/products/13266