$31.99 (as of 17/12/2018 23:50 PST details )
Features:
- Power DC 9V 42V H bridge bipolar constant phase flow driver, 2 4 phase hybrid
- The maximum output current is 4.0A peak, in 100ms .
- For 42, 57, 86 type 2 phase, 4 phase 4 6 8 line stepper motor.
- Energy saving semi automatic current lock function, built in temperature protection and over current protection.
- Can control 2 phase stepper motor forward and reverse rotation, With 1 2, W1 2 , 2W1 2, 4W1 2 phase excitation mode.