1~10pcs DC12V PWM Fan Governor Speed Control With Knob 2-3/4Wire Fan Regulation
ab 2,18 €
DC12V 4 Wire. PWM signal mode: 5V25KHZ. PWM signal output range: 0%-100%. The input of the speed signal port is directly connected to the output of the fan. It is mainly used to guide the fan speed signal back to the main board of the device to detect the speed.
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