3D Printer A4988 DRV8825 Stepper Motor Control Board Expansion Board
If jumper is hit the position of ON DP,that means 16 segment (4988) or 32 segment (8825)Jm connected motor
Jv connect 5v and 12v-24v power supply
Jc E, S, D, G, respectively corresponding to the connection of the Enable/Step/Dir/Gnd drive signal output
Can use A4988 / DRV8825, pay attention to the direction when inserting, otherwise it may burn drive.
Jumpers hit the ON DP position indicate 16 segments (4988) or 32 segments (8825).
Jm is connected to the motor.