Arduino sketch for an Arduino with an MCP2515 to control a Mitsubishi Outlander PHEV Gen3 (2016+) water heater. Uses a potentiometer conntected to A0, the first few degrees of rotation is OFF and then the rest controls the temperature between TEMPMIN and TEMPMAX
See https://openinverter.org/wiki/Mitsubishi_Outlander_Water_Heater