1) This board is used to drive DC, stepper and servo motor.
2) Support 4 DC motors or 2 stepper motors and 2 servos.
3) Up to 4 bi-directional DC motors.
4) Up to 2 stepper motors (unipolar or bipolar) with single coil, double coil, interleaved or micro-stepping.
5) 4 H-Bridges: per bridge provides 0.6A (1.2A peak current) with thermal protection, can run motors on 4.5V to 12V DC.
6) Pull down resistors keep motors disabled during power-up.
7) 2-pin terminal block to connect external power, for seperate logic/motor supplies.
8) Reset button and power LED indicator.
9) Dimension: 70 x 54 mm.