Tiny A4988 DRV8825 Extension Driver Board for Stepper Motor Nema17

Description

1. A4988/DRV8825 can be used, pay attention to the direction when inserting, otherwise the driver may be burned. 2. pin header 2x3P for selection the 16 subdivision (A4988) or 32 subdivision (DRV8825). 3. pin header 1x4P connected to the motor cable . 4. pin header 1x3P to connect GND/5V/Vm . 5. signal pin header for DIR/STP/EN.