OTGateway is a powerful open-source solution for controlling OpenTherm-compatible boilers, turning your heating system into a smart one. Set the perfect temperature, save on energy bills, and ...

A 10k ohm potentiometer is connected to an analog input. Turning it translates into values in the range [0-1023]. An attached SSR is connected to a water heater. By turning the SSR on and off, it is ...