Central Heating System Basic Edition

The project shown on this page is a basic Central Heating System, built around an oil-fired boiler, and used to heat domestic water for every day consumption and the house in winter.

The board in few words:
- MC9S08SH8 microcontroller;
- 8 digitals inputs, 3 of them are used to connect 1-wire sensors;
- 6 digitals outputs to drive the boiler, the pumps and the valves;