Basic prototype of ESP32 based pellet burner controller - Part 1 - YouTube
Arduino | frugaltinker | Page 4
Arduino-Powered Pellet Boiler - Hackster.io
NPBC-V4E / NPBC-V4C / NPBC-V3C – Electronic pellet burner controller with color display, Controllers for pellet Burners, pellet Stoves and pellet boilers, | Naturela - Intelligent electronic systems and devices
Micronova pellet stove controller from philibertc on Tindie
Temperature Sensors for Rocket Mass Heater (Arduino) (rocket mass heater forum at permies)