Hidden Content Originally Posted by
1430N3
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I was thinking of making a solution for this...
My roof gets very hot... in excess of 40C during lunchtime.
I was thinking with my knowledge of microcontrollers I could use a solid-state-relay and have that control a pump, and have a solenoid valve to switch between Gas and Solar, then have the pump, pump the water around the roof threw the heating element in my hot water tank. Then with a temperature sensor on the roof and tank and a flow sensor on my pipe to the house.
My easy language code. (NOT BASIC SO DON'T COME BACK ABOUT CODING ERRORS. I KNOW).
MAIN:
if the tank isn't hot then {
if the roof isn't hot {
turn back to gas
} else {
pump the roof
}
}
goto check
CHECK:
if flow sensor detect {
if the tank isn't hot {
if the roof isn't hot {
gas
} else {
pump the roof
pause 40000
}
}
goto MAIN
I could have this setup for < 800 Quid...
Also blackened out glass 25mm dia tubes are the heat collectors
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