CNC Shield for Arduino UNO (GRBL Compatible)

The CNC Shield for Arduino UNO (GRBL Compatible) is a compact and reliable controller expansion board designed for CNC machines, 3D printers, laser engravers, and other motion-control projects. It is designed to work with an Arduino UNO running GRBL firmware and provides convenient connections for stepper motor drivers, limit switches, spindle control, and other CNC components. Key Features Compatible with Arduino UNO Supports GRBL CNC control firmware Designed for X, Y, Z and A-axis stepper motor control Plug-in slots for popular stepper drivers such as A4988 and DRV8825 Supports adjustable microstepping through driver configuration Dedicated connections for limit switches Provides Emergency Stop, Hold, and Resume control inputs 12–36V DC power input Convenient screw terminals and pin headers for easy wiring Suitable for CNC routers, laser engravers, 3D printers, and DIY automation projects Compact design for easy installation and integration Applications This CNC Shield is suitable for DIY CNC machines, engraving machines, laser cutters, pen plotters, 3D printers, and other Arduino-based motion-control systems. It simplifies wiring and provides an organized interface between the Arduino UNO, stepper drivers, and CNC machine components.