Description: 2019 New Usb Controller TTL PWM CNC Laser 3 Axis Driver Stepper Motor Control DIY CNC Machine Part GRBL Board CNC 3018/2418/1610 Package: 1 x GRBL controller board 1 x USB Cable 1x CD(Including laser control software, GRBL engraving machine control software, product instructions, software using instructions etc.) This is a GRBL open source code-based laser, can be used for Laser Engraving machine, CNC Engraving Machine etc. Characteristic: 1.Application:use for DIY mini Engraving machine or Toy laser engraving machine 2.Applicable software:GRBL control,Un Gcode Sender, GRBL controller,or other software that supports GRBL code 3.Communication:USB(USB-CH340). 4.Power supply: voltage: 12V current about 4A , according to the load to increase or decrease the power supply. 5.Stepper motor driver: A4988 motor driver,16 microstep 1.5A phase current output 6.Support stepper motor: NEMA17 NEMA23 stepper motor, phase current less than 1.5A . 7.Laser interface: 12V or 5V, power less than 18W laser module. 8.Spindle motor interface: the maximum support 400W DC spindle motor. 9.With fan interface and TTL signal output interface (for controlling the laser module with TTL module). 10.Limit interface: 3-axis limit interface. 11.Probe interface: for Z a