1.High performace 2.low power consumption 3.High microstep,high torque 4.low noise,broad voltae range, Characteristics:1.DC power ... CW-:Stepping motor direction input, voltage level touched off,high towards, low reverse7,REST+,REST-: motor free The interface seethe right ... users connect by mistake, the driver will not be damaged, but the electrical machinery runs abnormally, shake , and output is ...