Applicable to hall brushless dc motor with Hall at 120°, not all manufacturers' Hall line sequence are corresponding, you can adjust the Hall line sequence or motor three-phase line sequence according to the actual situation, to achieve the best driving effect. Confirm that the voltage and power parameters of the motor not exceed the range as specified. JYQD-V7.3E2 is driver board without housing and heatsink, it can drive the motor below 100 watt without any heatsink, but needs normal ventilation. The 5V output port on board is forbidden to connect external power equipment. It is only applicable to external potentiometer or switch for speed adjustment, commutation and enabling operation., Weight: 0.06393405598 pounds, Manufacturer: Xnuiasqe