2 axis engraving machine control board support offline control

Product details:

Size: 76mm * 50mm
Power Interface: DC5.5-2.1 round interface ,inside is Positive, outside is the negative
Power Selection: Recommended power 12V 3-5A
Motor selection: 2A 2 phase 4 wire stepper motor
Control method: MINIUSB data line + GRBL software control
DIY use: laser engraving machine 2 axis plotter
Motherboard:1 x axis interface , 2 y axis interface
offline control : support
step motor driver : DVR8825