A4988 DRV8825 Extension Driver Board for Stepper Motor Nema17
1. A4988/DRV8825 can be used, pay attention to the direction when inserting, otherwise the driver may be burned.
2. All jumpers hit ON DP to indicate 16 subdivision (4988) or 32 subdivision (8825).
3. Jm is connected to the motor .
4. Jv connects 5V and 12V-24V power supply
5. E\S\D\G of Jc corresponds to Enable\Step\Dir\Gnd drive signal output on the connection respectively.
Pay Attention to the direction when installing, otherwise it may burn the driver or even the motherboard.