CNC-Shield Engraving Machine +A4988 Motor Driver + Stepper Motor Nema17 Kit
Features: Stable A4988 Driver Chip is low power consumption and will not be too hot during use. The is more stable than chip.
V3.0- GRBL 0.8 -c compatible. (Open source firmware- running on can convert G-code-commands into step signals
4-axis support (X, Y, Z, a can copy X, Y, Z or create a complete 4-axis custom firmware- using pins- D12 and D13); 2 endpoints per axis- (total of 6)
Adopting a movable Pololu- A4988 compatible stepper driver. (A4988, DRV8825, and others)
Jumpers- set microsteps for stepper drivers-. (Some drivers-, such as DRV8825, can execute -1/32 microsteps)The stepper motor can be connected- to a 4pin-Molex connector or welded in place
Operates on 12-36V DC-power. (Currently, only the Pololu-DRV8825 driver can handle voltages up to 36V, so please consider the working voltage- when supplying power to the circuit board.)

Specifications: Item: 3D Printer Accessories Kit
with: V3+UNOR3 +A4988 Driver+ Stepper Motor
Power: DC12-36V

Package Includes: 1 x CNC-Shield V3.0-
1 x UNOR3 Board
4 x Motor Wires
4 x A4988 Drive
4 x 17HS4401S Stepper Motor
1x USB Cable

note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order.
Due to the difference between different monitors, the picture may not reflect the actual color of the item.