GRBL 1.1 USB Engraving Machine Control Board

Connection: USB (USB-CH340)Software: GRBL controller, Universal Gcode SenderMaster chip: atmel 328P (arduino nano)Stepper motor driver: A4988Spindle drive chip: MOSFET, the highest 60V (recommendation within 48V, current :within 10A )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 Check Current Price … Read more