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Aquarium automatic fan control with arduino mini

video Aquarium automatic fan control with arduino mini
Another good thing for the aquarium, in the summer heat. :)

With this arduino mini device, you can turn on automaticly the aquarium fan when the water temperature
crossed the adjusted level.
Adjustable between 21-30*C. (69.8-86*F)

Temperature sensor: DS18B20 (waterproof)

This version for nona aquarium with mini fan.
For the big fan, need a relay on the pin13.

Arduino code link in video description.

Thank you.
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