2PCS DC12V 4 Pin PWM Fan Speed Controller Board with Knob Switch
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Buy 2PCS DC12V 4 Pin PWM Fan Speed Controller Board with Knob Switch
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2PCS DC12V 4 Pin PWM Fan Speed Controller Board with Knob Switch | £3.67 | ||||
1. The PWM frequency is 25KHZ, which can adapt to most 12V adjustable speed fans on the market. 2. The duty cycle can be adjusted from 0% to 97%,
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