thanks for the code..... just picked up a bag of Kamado Joe 22 lb. Natural Lump Charcoal for 11.79
Raspberry PI Heatermeter homemade temp controller, 2 UDS.
New Version 4.2 Heatermeter with K thermocouple support Available
PM if you would like a HM but aren't sure about soldering or you would like a premade one