12V Single Fan Speed Controller PWM Fan Control Board with Rotary Potentiometer
2,73 €
4: PWM frequency is 25KHZ. The PWM frequency is 25KHZ, which can adapt to most 12V adjustable speed fans on the market. 45 In 1 Sensor. Battery Protection Board. 3: The duty cycle is adjustable from 0% to 97%, and the speed regulation range is wide.
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