... +,CW-:Stepping motor direction input, voltage level touched off,high towards, low reverse7,REST+,REST-: motor free The interface ... protected : When the double-phase electrical machinery is connected with driver , users are apt to connect the phase by ... .init( { 'aImgSrc': aBigImageSrc } ); } )(); Digital step motor drivers using new 32-bit DSP with high performance, high torque, and low noise