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KlausMu / esp32-fan-controller

ESP32 fan controller with temperature sensor and MQTT
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How to connect three fans #24

Closed nrizzano closed 1 month ago

nrizzano commented 1 month ago

Hi, Is it possible to connect three fans to this scheme? The three fans must be controlled all together (for example, if I set the speed to 50% with PWM, all three will go to 50%), if the temperature exceeds a certain threshold, the three fans must start and must adapt the speed based on the thresholds that I set.

I am able to make changes to the software, but for the electrical scheme I need help.

Thanks

KlausMu commented 1 month ago

If all three fans are identical, you can simply connect all three fans to the same GND, 12V/5V and pwm signal. But connect only one fan to the tacho signal input. No change in the software is needed.

nrizzano commented 1 month ago

Thank you