Hi, I'm trying to set up an extractor fan for a small metal shed, to help minimise condensation.
I would like the fan to be powered by a solar powered rechargeable battery, and set to run at scheduled times during the day. Or perhaps triggered by a condensation or temperature sensor.
I have a solar panel and fan and I'm looking for recommendations of a suitable battery, charger, and microcontroller.
My panel is A4 in size and rated at 18V, 10W. My fan is rated at 12V, 0.15A.
The panel can drive the fan directly but only in strong direct sunlight. I'm aiming to run the fan for an hour or two a day at dawn, or whenever the temperature change is most significant.
Thanks for suggestions.