24V Brushless Centrifugal Air Blower DC WS7040 7040 Blower Fan 6.5kpa

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When you want to use the potentiometer knob to control the fan speed you only need to connect the driver board directly to the 24V DC power supply

When you need to use the motherboard or Raspberry Pi to control just take out the potentiometer connect the signal pin of the driver board to the 5V or 33V pin of the motherboard and connect it to GND

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Package

1SET WS7040 Blower Fan Including driver board