Easy to make. I have it setup to send Emails or SMS on alarms. The Fluctuations in set point are me screwing around on the dam thing lol.
Raspberry PI Heatermeter homemade temp controller, 2 UDS.
Pm me, if you to would like a premade Heatermeter bbq controller includes WIFI, K Thermocouple pit probe, 3 food probes, servo inlet control(open/close), 3d printed case and 3d printed servo blower mount- Testing V4.2, soon to be released