TWO TREES® CNC Shield + UNO R3 Board +4x A4988 Stepper Motor Driver +4x 4401 Stepper Motor Kit for 3D Printer

Description:   Latest CNC Shield Version 3.0 GRBL 0.8c compatible. (Open source firmware that runs on an UNO 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 DC. (At the moment only the Pololu DRV8825 drivers can handle up to 36V so please consider the operation voltage when powering the board.)   Package included:

1 x CNC Shield V3.0 1 x UNOR3 Board 4 x A4988 Driver 4 x 4401 Stepper Motor
1 x USB Cable