GRBL 0.9J,USB port cnc engraving machine control board, 3 axis control
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 and additional heat. (Any stepper motor 42, 57)
Laser engraving: Support
Power Interface: 5.5-2.5mm DC interface