CNC Shield Board for A4988 Stepper Motor Driver For Arduino V3 Engraver 3D Printer

Use removable A4988 or DRV8825 compatible stepping driver.
The extension board can be used for engraving machine or 3D printer driver.
Compatible with GRBL 0.8. Open-source firmware operated on Arduino UNO, converting G code command into stepping signal.
PWM spindle and direction pin, 4 shaft support (X, Y, Z, A – you can copy X, Y, Z or use pin D12 and D13 customize firmware perform complete shaft 4).
Compact design, stepping motor can connect 4 pin connectors or be soldered.
This is a set of disassembled part, and you need basic soldering skills to solder them together.