Shield V3.0 Expansion Board R3 Board 4*A4988 Driver 4*4401

Features:

Latest Shield Version 3.0.

GRBL 0.8c compatible. (Open source firmware that runs on a R3 Board that turns G-code commands into stepper signals)

4-Axis support. (X, Y, Z , A-Can duplicate X,Y,Z or do a full 4th axis with custom firmware using pins D12 and D13)

2 x End stops for each axis (6 in total); Spindle enable and direction; Coolant enable.

Uses removable Pololu A4988 compatible stepper drivers. (A4988, DRV8825 and others)

Jumpers to set the Micro-Stepping for the stepper drivers. (Some drivers like the DRV8825 can do up to 1/32 micro-stepping )

Stepper Motors can be connected with 4 pin molex connectors or soldered in place.

Runs on 12-36V . (At the moment only the Pololu DRV8825 drivers can handle up to 36V so please consider the operation voltage when powering the board.)



Specifications:

Package Size: 26.5 * 8.5 * 6.5cm / 10.4 * 3.3 * 2.6in

Package Weight: 1200g / 42.3oz



Packing List:

1 * Shield V3.0

1 * R3 Board

4 * A4988 Driver

4 * Heat Sink

4 * 4401 Stepper Motor

4 * Motor Cable

1 * USB Cable