A line-level (110v) thermostat for controlling floor heater electric fluid pumps. Uses an SHT-31 and DS18B20 to measure air and floor temperature respectively, and uses an SSR-25DA solid state relay for manipulating 110V to pumps.

Displays information on a small 64x48 OLED, as well as a single bright RGB LED for indicating heater status.

Features a single rotary encoder to navigate menus on OLED screen using push button.

Features a scheduler to program wake and sleep times and temperatures, saves programmed values to EEPROM.

Compiled in 80mhz mode to reduce excess heat warming SHT-31 sensor.