Modify PWM motor controller module to be temperature controlled?

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Esp32 Esphome home-assistant pid-control pid-controller

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  • esphome-fan-controller

    ESPHome Fan Controller

    • Actually now that you mention it, I have PWM controlled LED strips that don't fail. I was just making life too complicated, I found a ESP32 based code for PID controlled cooling with automatic fan adjustment etc https://github.com/patrickcollins12/esphome-fan-controller and went to adapting it for ESP8266, ds18b20 etc. The UI was super unresponsive and kept dropping off so I cut out code until it was just a dumb fan controller with temperature and PWM. It is true that PC fans sound terrible with 1khz pwm. I dropped it down to about 60hz and put on a capacitor to get rid of the buzzing. Negative side effect is it spins faster but just decrease the speed. It was fine after I took out the smarts then let home assistant control it based on temperature but then it just dropped off leaving me with a overheating NAS.

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