Nadalan GRBL Off-line Working Controller LCD Screen+3axis Control Board

Description

GRBL controller Function: 1. Manually control: manually adjust X, Y, Z axis location as engraving starting point, manually open or close spindle, manully open or close cooling fan 2. File engraving: after off-line controller save file, it can connect the GRBL control board and process engraving, no need to connect PC computer 3. Save file: after the off-line controller connect PC, it will be recognized as USB, large capacity storage device, can access engraving file directly. Packing include: 1 x LCD screen GRBL controller 1 x 3 axis control board