... consumption 3.High microstep,high torque 4.low noise,broad voltae range, Characteristics:1.DC power ... *30mm7.Weight:600g8.Working environment:Temperature-15~40°C Humidity<90%.I/O Ports:1,VCC+:DC power positive ... motor direction input, voltage level touched off,high towards, low reverse7,REST+,REST-: motor free The interface seethe right ... -bit DSP with high performance, high torque, and low noise