3 Axis GRBL-V3 GRBL Laser CNC Controller, 2 in 1

Application It can be used for DIY engraving machine or toy laser engraving machine, need external connect stepper motor driver, suitable for users who make large stroke engraving machine. Applicable Software GRBL control, Un Gcode Sender, GRBL controller, or other software that supports GRBL code. Applicable to Stepper Motor Driver It can be used as long as the stepper motor driver with direction and pulse signal control. Support Stepper Motor Determined by the external connect driver. In an emergency, the MCU can be reset to stop the machine. SPECIFICATION The maximum pulse frequency of the control board: 30KHZ Communication: USB (USB-CH340) Power supply: voltage: 12V Spindle motor interface: the maximum support 400W DC spindle motor. With fan interface and TTL signal output interface (for controlling the laser module with TTL module) Laser interface: 12V, suitable for 12V laser head.