CNC Shield V4 | 3-Axis Stepper Motor Expansion Board | For Arduino Nano & 3D Printers
Description
The SPIDER Automation CNC Shield V4 is an advanced, high-efficiency motor driver expansion board designed to interface seamlessly with the Arduino Nano. Optimized for desktop CNC routers, micro-drive laser engraving systems, and compact 3D printers, this shield simplifies multi-axis motion control by integrating three discrete channel slots for A4988 stepper motor driver modules.
Engineered to maximize efficiency, each motor channel requires only two IO ports—allowing just six IO ports to fully manage a 3-axis stepper configuration. Featuring built-in GRBL compatibility, dedicated digital IO headers for limit switches/endstops, an I2C communication interface for displays, and flexible DC power input rails (5V logic with 7.5V–12V motor supply rails), the CNC Shield V4 provides a robust, professional-grade platform for automated hardware projects.
Key Features
- 3-Axis Stepper Architecture: Includes three independent channel slots designed to mount A4988 stepper motor driver modules.
- Low IO Pin Footprint: Manages three stepper motors using only 6 IO ports (2 ports per channel), freeing up microcontroller pins for auxiliary sensors.
- GRBL Firmware Support: Native compatibility with GRBL for smooth G-code execution and precise CNC machine motion control.
- Dedicated Endstop Breakouts: Released digital IO headers allow quick connection of mechanical or optical limit switches.
- I2C Bus Connectivity: Integrated I2C interface header enables easy connection with I2C LCD screens or peripheral telemetry modules.
- Flexible Power Rail: Supports DC 5V logic inputs alongside a 7.5V to 12V operating voltage range for motor power supplies.
Benefits
- Streamlined Machine Assembly: Replaces tangled wiring harnesses with a clean, modular board layout specifically tailored for Arduino Nano builds.
- Optimized Microcontroller Resource Usage: Intelligent pin mapping ensures ample IO availability remains for sensors, buttons, and displays.
- High Current Drive Capability: Capable of smoothly controlling two-phase four-wire stepper motors drawing up to 2A within power parameters.
-
Industrial Prototyping Standard: Perfect solution for rapid development of low-cost desktop CNC machines, laser cutters, and custom automated plotters.
Applications
- Desktop CNC Engraving Machines: Multi-axis motion control board for small-scale wood, plastic, and soft-metal carving routers.
- Micro-Drive Laser Engravers & Cutters: Precise positioning control hardware for DIY and workshop-grade laser etching systems.
- Compact 3D Printers: Core driver expansion board for custom or miniature fused deposition modeling (FDM) 3D printing units.
- Automated XY Plotters & Drawbots: Core controller interface for precision drawing, writing, and pick-and-place automation rigs.
-
Embedded Motion Control Education: Practical development platform for students and engineers learning G-code parsing, GRBL, and stepper motor kinematics.
Package Includes
- 1 x SPIDER Automation 3D Printer CNC Shield V4 Expansion Board
- Note: A4988 stepper motor driver modules and Arduino Nano board are not included and must be acquired separately.
Specifications
| Item Type | 3-Axis Stepper Motor Driver Expansion Shield |
| Brand / Series | SPIDER Automation |
| Model Type | CNC Shield V4 (GRBL Compatible Architecture) |
| Controller Compatibility | Arduino Nano |
| Supported Driver Modules | A4988 Stepper Motor Drivers (3 Mountable Driver Slots) |
| Motor Support | Up to 3-Axis Stepper Motors (Compatible with Two-Phase Four-Wire Steppers up to 2A) |
| IO Requirements | 6 Digital IO Ports (2 Ports per Motor Channel) |
| Communication & Control Buses | Released Digital IO (Endstops), I2C Interface (for LCD/Modules) |
| Input Supply Voltage | DC 5V (Logic) / 7.5V to 12V (Motor Voltage Input) |
| Firmware Compatibility | GRBL Open-Source CNC Firmware |
| Board Dimensions | 73 × 59 × 12 mm |
| Net Board Weight | 32 g |
| Shipping Weight | 0.033 kg |
| Logistics Dimensions | 9 × 8 × 2 cm |