... ,17, 23, 24 stepper motor driver,current:0.9~3ACW230 quick delivery in 2 daysused for stepper motor Nema ... 1.DC power input type24V~36V2.Output current:0.9~3A3.Mircostep:1(1.8º),1/2,1/4, ... not to damage the module2.GND:DC power cathode3.A+,A-:Stepping motor one winding4.B+,B-:Stepping motor other ... 21/41/81/161/321/64____2.Current choice:M500001111M600110011M701010101Current(A)0.91.21.51.82.12.42.73 CW230 ...