Arduino NANO CNC Shield V4 Expansion Board

The Arduino NANO CNC Shield V4 Expansion Board is a compact and efficient stepper motor driver board designed for building 3-axis CNC machines, laser engravers, 3D printers, and robotic systems. It connects seamlessly with an Arduino Nano, offering a plug-and-play solution for motion control.

This shield supports three stepper motor drivers like A4988 or DRV8825, allowing precise control of the X, Y, and Z axes. It’s fully GRBL compatible, enabling developers to use open-source firmware to send G-code commands and manage motion control effortlessly.

With onboard headers for limit switches and external power input (12–30V), it’s ideal for projects where space-saving and cost-efficiency are crucial. Whether you’re upgrading a DIY CNC project or building one from scratch, this expansion board integrates easily with components from our Electronics Components and Arduino and Accessories categories.

Technical Specifications

• Board Type: CNC V4 Expansion Board

• Microcontroller Compatibility: Arduino Nano

• Stepper Driver Slots: 3 (A4988 or DRV8825)

• Axes Control: X, Y, Z (3-axis)

• Power Supply: 12V–30V (external via screw terminal)

• Limit Switch Headers: Yes, for all 3 axes

• GRBL Compatible: Yes

• Board Dimensions: Compact Nano footprint

Applications & Use Cases

• Desktop CNC routers

• Laser engraving machines

• Compact 3D printers

• DIY pen plotters

• Robotics and automation systems

• Prototyping motion control platforms

This shield simplifies the complexity of building low-cost CNC systems, making it an ideal choice for students, makers, and professionals working on Arduino-based motion control projects.

How to Use

1. Solder header pins on Arduino Nano and plug into the CNC Shield V4.

2. Insert A4988 or DRV8825 stepper drivers into the driver slots (ensure correct orientation).

3. Connect stepper motors to the output terminals.

4. Wire limit switches to the designated headers.

5. Power the board with 12–30V DC using the screw terminal.

6. Upload the GRBL firmware to the Nano using the Arduino IDE.

7. Use Universal G-code Sender to control movements and load G-code files.

Video Tutorial:
CNC Shield V4 + Arduino Nano GRBL Setup

Precautions

• Always disconnect power when installing/removing stepper drivers.

• Use proper heat sinks with A4988/DRV8825 drivers to prevent overheating.

• Double-check driver orientation before powering on.

• Do not exceed 30V input to avoid damage.

• Calibrate motor current using a multimeter to prevent burnout.

Buy Now from Electroway

Get your CNC Shield V4 from the Arduino and Accessories section. Complete your motion system with stepper motors, drivers, and Tools and Accessories available at Electroway.