CNC Shield

This awesome little board can control 4 stepper motors. It comes with 4 x A4988 stepper drivers and heat sinks.

Controlled by an Arduino Uno compatible running GRBL, making it easy to use via GBRL Controller, Universal G-Code Sender or etc.

Specifications:

• Version 3.00
• 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)
• Uses GRBL as control software
• Uses removable Pololu A4988 compatible stepper drivers.
• Power supply: DC 12-36V
• Interface: mini-USB
• Maximum stepper motor current: less than 2A 2 phase 4 wire stepper motor
• Over 1A stepper motors must use heat-sinks and/or other cooling (fan)

Comes with:

• 1 x CNC Shield
• 4 x A4988 Stepper Motor Drivers
• 4 x Heat Sinks with thermal tape applied

Software:

• GRBL
• GBRL Controller
• Universal G-Code Sender

Links:

• http://blog.protoneer.co.nz/arduino-cnc-shield/