... High microstep,high torque 3.broad voltae range 4.wide output current range:0.3-8V Characteristics:1.DC power input type ... +,DIR-:Stepping motor direction input, voltage level touched off,high towards, low reverse7,ENA+,ENA-: motor free .NOTE ... /1251/2502,Current choice SW101010101SW200110011SW300001111Current(A)1.31.82.32.73.23.74.24.5 3,Full ... motor driver,1.3A-4.5A,high quality and reasonable price