3. VCC GND motor main power supply (external DC power supply) 1. MA MB phase line output connection motor 4. SC speed pulse signal output 2. 5V GND motherboard comes with 5V power supply (current does not exceed 30MA) 5. positive and negative reversing control interface (also can be connected to the external switch), Weight: 0.23699693165 pounds, Manufacturer: UieoKakeh
3. VCC GND motor main power supply (external DC power supply) 1. MA MB phase line output connection motor 4. SC speed pulse signal output 2. 5V GND motherboard comes with 5V power supply (current does not exceed 30MA) 5. positive and negative reversing control interface (also can be connected to the external switch), Weight: 0.23699693165 pounds, Manufacturer: UieoKakeh
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