Description: Latest CNC Shield Version 3. GRBL 0.8c compatible. (Open source firmware that runs on an Arduino 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 Specification: 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 ) Compact design. 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.) Size: Approx. 6.9x 5.3x 1.9cm/ 2.72x 2.09x 0.75inch Package Includes: 1 Piece CNC Shield V3.0 1 Piece Keyestudio uno R3 board 4 Pieces A4988 driver 1 Piece USB cable Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement
