@▷ DIY Dual Fan Controller Project | Diagram for Schematic

DIY Dual Fan Controller Project

The project helps you control two fan’s to cool whatever you need. It works by cooling with the first fan when the sensor detects a user adjustable temperature, and it turns the second fan on, when the temperature exceeds 5 degrees over the user adjusted temperature.

I agree with the author on these being the most efficient way of controlling the temperature and to preserve energy. Also each fan will turn off if temperature drops 5 degrees below the user adjusted temperature. You might ask why 5 degrees ? well to avoid the fans turning on or off too often when temperature varied with only 1 degree plus or minus.

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Thank you.

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