CNC Shield V4 Engraving Machine Expansion Board for Arduino Nano BX9, R35 is a compact, high‑performance driver board designed to integrate seamlessly with the Arduino Nano platform. Engineered for precision control of stepper motors, this shield provides a reliable foundation for CNC engraving machines, laser cutters, and 3‑D printers, enabling rapid development and easy expansion of your projects.

Key Specifications:

• Stepper Motor Channels: 3 independent driver slots compatible with A4988 or DRV8825 modules.


• IO Port Efficiency: Each motor requires only 2 digital I/O pins, totaling 6 pins for full three‑axis control.


• Current Capability: Supports up to 2 A per phase on two‑phase four‑wire stepper motors.


• Power Supply: DC 5 V logic, 7.5 V–12 V motor voltage input.


• Interface Availability: Dedicated digital I/O for endstops, I²C pins for LCD or other I²C modules.


• Firmware Compatibility: Fully GRBL‑compatible for ready‑to‑run CNC firmware.


• Form Factor: Designed specifically for the Arduino Nano board.

Typical Applications:

• Micro‑drive laser engraving machines.


• Three‑axis CNC milling and engraving systems.


• Desktop 3‑D printers requiring precise stepper control.


• Robotic arms and automation projects using stepper motors.


• Prototyping platforms that need compact, multi‑axis motor management.