Description: _x000D_ This board as a driver expansion board, can be used for engraving machines and 3D printers. 3 axls stepper motor driver, compatible with micro-drive laser engraving machine, three-axls CNC engraving machine. 2A can be controlled within the two-phase four-wire stepper motor. It is quiet convenient to use. _x000D_ _x000D_ _x000D_ Features: _x000D_ 3 axls stepper motor driver, compatible with micro-drive laser engraving machine, three-axls CNC engraving machine. _x000D_ 2A can be controlled within the two-phase four-wire stepper motor. _x000D_ Released the digital IO interface, easy to connect to other modules, such as ENDSTOP. _x000D_ Released the I2C interface, you can connect to the LCD I2C or other I2C module. _x000D_ Power DC5V interface, 7.5-12V voltage input. It is compatible with GRBL, and works with nano. _x000D_ _x000D_ _x000D_ Specifications: _x000D_ V4 Board Size: 7.2 x 5.9cm / 2.83 x 2.32" _x000D_ Nano Board Size: 4.3 x 1.8cm / 1.69 x 0.7" _x000D_ Driver Size: 2 x 1.5cm / 0.78 x 0.59" _x000D_ Heat Sink Size: 0.8 x 0.8cm / 0.31 x 0.31" _x000D_ _x000D_ _x000D_ Package Includes: _x000D_ 1 x CNC Shield V4.0 _x000D_ 1 x Nano 3.0 Board _x000D_ 3 x A4988 Drivers _x000D_ 1 x USB Cable _x000D_ 3 x Heat Sinks _x000D_ _x000D_ _x000D_ NOTE: WE DO NOT PROVIDE ANY TECHNICAL HELP. 13 axls stepper motor driver, compatible with micro-drive laser engraving machine, three-axls CNC engraving machine 22A can be controlled within the two-phase four-wire stepper motor 3Released the digital IO interface, easy to connect to other modules, such as ENDSTOP 4Released the I2C interface, you can connect to the LCD I2C or other I2C module 5Power DC5V interface, 7.5-12V voltage input. It is compatible with GRBL, and works with nano