Features:
-Keyboard temperatures are changed the pump on / off
-Manual pump on/off
-Storing values
-Thermostat with cooling or heating function
-OLED 0.96′ I2C
3 keys on the keyboard
———-Programm- https://codebender.cc/sketch:63366 ————–
D4 Collector sensor, D5 Boiler sensor, D6 Termostat sensor
A1 Collector relay, A2 Termost relay
A7 key pin
D3 PWM output for transistor controll
The program can record from here. Schemes here
