4 Axis GRBL CNC Controller Board With USB ARM 32 Bit Offline Spindle Support 300W or 500W A4988 Driver Modules Upgradeable to DRV8825 Laser Engraver Ready CNC Router Card for 12 to 24V DC Systems
✔️ 4-axis control, USB ARM 32-bit, 12-24V input, A4988 or DRV8825
This single-board CNC controller is built for DIY routers, engravers, and milling machines, powered by 12-24V DC and supporting four-axis drive, rotary axis limit switch, Z-axis probe, and emergency stop features.
✅ 4-axis GRBL 1.1F USB control board with ARM 32-bit processor
✅ 12-24V DC input at 5A, with protection
✅ Independent A4988 drivers, upgradeable to DRV8825
✅ X/Y/Z/A four-axis drive; Y-axis dual drive
✅ Rotary axis limit switch, Z-axis probe, emergency stop
✅ TTL/PWM laser modulation; 12V/24V laser compatibility
✅ 3P and 2P+2P interfaces; reserved for external drivers
✅ Supports 775 motors and 200W/300W/500W spindles
✅ Compatible software: LaserGRBL, LightBurn, Candle, Universal Gcode Sender
✅ Built-in firmware protection to prevent modification
💡 What is a CNC controller board used for?
Handy device for coordinating motors, spindle, and laser in DIY CNC projects.
- Translates G-code into precise axis movements for multi-axis machines
- Runs GRBL on an ARM 32-bit core for smooth motion control
- Works with LaserGRBL, LightBurn, Candle, and Universal Gcode Sender
- Supports 12-24V systems and optional external drivers