<p>Connection: USB (USB-CH340)</p> <p>Software: GRBL controller, Universal Gcode Sender</p> <p>Master chip: 328P (for nano)</p> <p>Stepper motor driver: A4988</p> <p>Laser engraving: Support</p> <p>Spindle drive chip: MOSFET, the highest 60V (recommendation within 48V, current :within 10A )</p> <p>Support stepper motor: 12V, maximum current of 2A or less is recommended within 1.5A and additional heat. (Any stepper motor 42, 57)</p> <p>Specification of offline controller:</p> <p> Z+ and Z- , the Z move up and down.</p> <p> X+ and X- , the X move left and right.</p> <p> Y+ and Y- , the Y move Front and Back.</p> <p> : Spindle on (Laser on), Spindle off (laser off)</p> <p> SMOD: return</p> <p> Z+ for 5 seconds, change the Language to English.</p> <p>SD card: Included, you need a SD card reader to write into the root directory G-code files.</p> <p>Note</p> <p>Not every engraving machine can use our control panel, it is a matter of compatibility.</p> <p>Colour:As Shown</p> <p>Material:plastic</p> <p>Package Contents:</p> <p>1 x cnc controller board</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>