Control Board GRBL USB Port

Control Board GRBL USB Port CNC Laser Spindel Engraving Machine 3 Axis 

USB port cnc engraving machine control board, 3 axis control,laser engraving machine board , GRBL control Connection: USB (USB-CH340)

Specification:
Connection : USB (USB-CH340)
Software   : GRBL controller, UniversalGcodeSender
Input voltage : 12-36V
Master chip : atmel 328P (arduino nano)
Stepper motor driver : A4988
Spindle drive chip : MOSFET (recommendation 12~36V, current : within 10A )
Spindle PWM speed : Support
Support stepper motor : 12V
maximum current : of 2A or less is recommended within 1.5A
Additional heat :. Any stepper motor 42, 57
Laser engraving : Support
Power Interface: 5.5-2.5mm DC interface

Package include:
1x  3 Axis GRBL Control Board

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