Ujjdwiurgh 700W BLDC Drive Board PWM DC Brushless Motor Control Sensor Hall Motor Controller Automotive Balancing 36V 48V 60V Easy Install Easy to Use (A)

2. Speed can be adjusted by VR port. Speed control mode: one is voltage control: give VR port input 0 to 5v voltage. 3. Has the locked-rotor protection function, if Motors can not within 5s repeatedly, module stop output. Adjust voltage VR port to 0v or power off, the protection status can be removed Features: 1. with the abnormal overload protection and current protection function 4. The function of the speed pulse signal output, M port, read the rotational speed of the machine. Depending on the motor each circle of the output pulse number is different. 5. Enable function, EL port, High level (5v) motor work, low level (0v) motor stop.