
General
CNC Shield V3
The CNC Shield V3 is an expansion board for Arduino Uno/Mega that controls up to 4 stepper motors for DIY CNC machines, 3D printers, and engraving machines. It supports A4988 and DRV8825 stepper drivers for precise motion control.
₹166.00
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₹166.00
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About CNC Shield V3
The CNC Shield V3 is a versatile expansion board designed to plug directly onto an Arduino Uno or Mega, transforming it into a powerful controller for CNC and 3D printing applications. This shield simplifies the wiring process by providing dedicated slots for up to four stepper motor driver modules (such as A4988 or DRV8825), enabling control of 3-axis motion plus an optional slave axis. It is ideal for hobbyists and engineers building engraving machines, mini CNCs, 3D printers, and other automated motion systems. The board features pre-configured pinouts for stepper motors, end stops, and spindles, ensuring a seamless setup with open-source firmware like GRBL. Key benefits include its plug-and-play design, compatibility with popular stepper drivers, and robust construction for reliable performance. Choose this shield for a cost-effective, efficient solution to bring your CNC projects to life without complex wiring.
Technical Specifications
| Interface | Arduino Uno/Mega compatible |
|---|---|
| Stepper Motor Driver Outputs | 4 slots (3 Axis + 1 Slave) |
| Supported Drivers | A4988, DRV8825, and similar Pololu-style modules |
| Operating Voltage | 12V - 36V (for motor power) |
| Logic Voltage | 5V (from Arduino) |
| Microstepping Support | Configurable via jumpers (1/1, 1/2, 1/4, 1/8, 1/16, 1/32) |
| End Stop Pins | X, Y, Z min and max (mechanical/optical) |
| Spindle Control | PWM and direction pins |
| Dimensions | Approx. 70mm x 55mm (standard Arduino shield size) |
| Operating Temperature | -20°C to 70°C |
| Protocol | Step/Direction (DIR/STEP) for stepper control |
| Mounting | 3.2mm holes for M3 screws |
Alternative Components
CNC Shield V3 with A4988 Driver Kit
CNC Shield V3 with DRV8825 Driver Kit
Arduino CNC Shield V3 Engraving Machine Expansion Board









