This controller check temperature of water and smoke in chimmney. Turn on/off fan and pomp.

The controller consists of Arduino Pro Mini, LCD display, 2 sensors (PT100 and DS18B20), 2 Relays.

The controller check tempetature smoke in chimmney (PT100) if is less than 80'C, turn on a fan. If more than 300'C, turn off , also if temperature of water (DS18B20) will be more than set temperature, turn off . Also check temperature of water (DS18B20) if is more tahn set temp then turn on pomp, if is less than set temp minus 5 then turn off.


LCD shows temp of water, state of pomp,

Set temp, state of fan

State 0 is off, 1 is on.


If You have any question, please contact me.