This project designed a cooling fan controller, which can be used to control the cooling fans of small cabinets. It supports forward and reverse rotation, PWM speed regulation, and has an onboard DS18B20 temperature sensor. It can automatically adjust the speed according to the ambient temperature. A single board can control 2 fans. .
The board input is 12-24V, and the maximum current of a single fan is 2A.
The onboard ESP8266 chip allows remote setting of fan speed and temperature viewing.
Code reference: https://gitee.com/mmradar/fan-controller
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