... CW +,CW-:Stepping motor direction input, voltage level touched off,high towards, low reverse7,REST+,REST-: motor free The interface ... seethe right picture.NOTE:1, When ambient temperature is high or working current over 3A, fix the module on ... (); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Digital step motor drivers using new 32-bit DSP with high performance, high torque, and low noise