Product name: 3D printer A4988/DRV8825 stepper motor drive control board
1. A4988/DRV8825 can be used, pay attention to the direction when inserting, otherwise the drive may be burnt.
2. The position where the jumpers are all set to ON DP indicates 16 subdivision (4988) or 32 subdivision (8825).
3. Jm is connected to the motor .
4. Jv connects 5V and 12V-24V power supply
5. ESDG of Jc corresponds to the drive signal output of EnableStepDirGnd on the connection.
pay attention to the direction when installing, otherwise it may burn the driver and even the motherboard.