





Arduino CNC Shield V3 – Stepper Motor Driver Expansion Board
The Arduino CNC Shield is an easy to install expansion for the Arduino UNO board – allowing for precision control of up to four stepper motors via GRBL. CNC Shield V3 for Arduino Uno, designed for controlling 3D printers, CNC machines, and laser engravers. Supports A4988/DRV8825 stepper motor drivers and runs GRBL firmware for precision motion control.
₹ 142 ₹199
199



Made In : | India |
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Key Features:
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Compatible with Arduino UNO and GRBL firmware
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Supports A4988 or DRV8825 stepper motor drivers
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Controls 3-axis CNC machines (X, Y, Z)
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Easy plug-and-play with screw terminal access
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Expandable for 4th axis (A-axis)
Detailed Product Description:
The Arduino CNC Shield V3 is an essential motor control expansion board designed to interface with the Arduino Uno for controlling CNC machines, 3D printers, laser cutters, and robotic arms.
Using GRBL (open-source CNC firmware), this shield allows precise control of stepper motors through A4988 or DRV8825 driver modules. It supports up to 4 stepper motors (X, Y, Z, A) with microstepping capabilities. The compact and modular design makes it easy to build custom CNC setups for DIY makers, engineers, and developers.
It also includes endstop connectors, a spindle enable pin, and a cooling fan output, making it a complete motion control platform for hobbyist and semi-professional CNC machines.
Technical Specifications:
Parameter | Specification |
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Model | CNC Shield V3 |
Compatibility | Arduino UNO (R3), GRBL Firmware |
Stepper Driver Support | A4988, DRV8825 (not included) |
Motor Control | X, Y, Z, and A axes |
Microstepping | 1/16 microstep (A4988), 1/32 (DRV8825) |
Endstops | X-, X+, Y-, Y+, Z-, Z+ |
Power Supply | 12–36V DC via external power input |
Motor Connector Type | Screw terminals and headers |
Size | ~68mm × 53mm |
How to Use with Arduino UNO:
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Install GRBL Firmware on your Arduino UNO using Arduino IDE.
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Plug the CNC Shield V3 onto the Arduino Uno board.
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Insert stepper motor driver modules (A4988 or DRV8825) into the shield.
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Connect stepper motors, limit switches, and power supply.
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Use GRBL-compatible software like Universal Gcode Sender (UGS) to send G-code.
Wiring Diagram:
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X, Y, Z motor pins are clearly marked.
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Limit switch headers available for each axis.
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A-axis mirrors X-axis by default (can be reconfigured).
Applications:
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DIY CNC routers and engraving machines
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3D printers and laser engravers
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Robotic arm control
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Precision motor control experiments
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Prototyping automation systems
Package Includes:
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1 × Arduino CNC Shield V3
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