CNC Shield V3 Expansion Board
The CNC Shield V3 Expansion Board is a dedicated motion control expansion board designed for the Arduino Uno, enabling easy control of stepper motors for CNC routers, laser engravers, plotters, 3D printers, and other automation systems. Compatible with A4988 and DRV8825 stepper motor drivers, the shield supports up to 4-axis motion control (X, Y, Z, and A) and works seamlessly with GRBL firmware for precise CNC machine operation. Available at Directronics, the CNC Shield V3 Expansion Board is an excellent choice for students, hobbyists, makers, educators, and professional engineers working on CNC and motion control projects.
Features:
• CNC Shield V3 for Arduino Uno
• Supports Up to 4 Stepper Motor Axes (X, Y, Z, A)
• Compatible with A4988 and DRV8825 Stepper Drivers
• GRBL Firmware Compatible
• External Motor Supply: 12V–36V DC
• Adjustable Microstepping via Jumpers
• Dedicated Endstop Connections for X, Y, and Z Axes
• Spindle and Coolant Control Outputs
• Compact and Durable PCB Design
• Plug-and-Play Shield Form Factor
• Easy Wiring for CNC Machines and Laser Engravers
• Suitable for DIY Automation Projects
Why Choose CNC Shield V3 Expansion Board?
• Simplifies CNC machine wiring and assembly
• Supports popular stepper driver modules
• Compatible with GRBL for reliable motion control
• Expandable to four-axis operation
• Ideal for CNC routers, engravers, and plotters
• Perfect for beginners, students, hobbyists, and professionals
Applications:
• CNC Router Machines
• Laser Engraving Systems
• CNC Milling Machines
• Drawing and Plotter Machines
• 3D Motion Control Projects
• DIY Automation Systems
• Educational CNC Projects
• Robotics Motion Control
• Embedded Motion Systems
• Prototype Development
Technical Specifications:
• Product Type: CNC Expansion Shield
• Compatible Controller: Arduino Uno R3
• Supported Axes: X, Y, Z, A (4-Axis)
• Stepper Driver Compatibility: A4988 / DRV8825
• Logic Operating Voltage: 5V DC (From Arduino)
• Motor Supply Voltage: 12V–36V DC
• Firmware Support: GRBL
• Microstepping: Configurable via Jumpers
• Endstop Inputs: X, Y, Z
• Control Outputs: Spindle, Coolant, Enable
• Operating Temperature: -20°C to +70°C (Typical)
Package Includes:
• 1 × CNC Shield V3 Expansion Board
Related Products:
• Arduino Uno
• A4988 Stepper Motor Driver Module
• DRV8825 Stepper Motor Driver Module
• NEMA 17 Stepper Motor
• CNC Limit Switch Module
• 12V DC Power Supply
• USB Cable
• Jumper Wire Kit
• Breadboard
• Stepper Motor Cable
Why Buy from Directronics?
Directronics provides quality development boards, communication modules, sensors, electronic components, robotics modules, power management solutions, and IoT products for students, makers, educational institutions, startups, and industry professionals. Explore our complete range of Arduino, ESP32, ESP8266, Raspberry Pi, power modules, motor drivers, programming tools, and embedded development products to bring your ideas to life.
Note:
Product images are for illustration purposes only. Actual PCB layout, connector positions, and silkscreen markings may vary depending on the manufacturing batch. Stepper motor drivers are typically not included and must be installed separately. Always disconnect power before inserting or removing driver modules, and adjust the driver current limit before operating motors to ensure safe and reliable performance.


