The installed software is shown as the following figure.
Picture 4: custom button loading
Picture 5: Software button
4. Connect laser engraving machine
A.Connect the engraver to a computer with LaserGBRL software installed.
B. Plug in the power supply of the engraving machine.
C. Open the LaserGRBL software
D.Select the correct port number and baud rate in the software - 115200, (in general, COM ports do not need to be selected manually,
but if you have more than one serial device connected to the computer, it needs to do so, you can find the port of the laser engraver in
the device manager of the Windows system, Or you can simply try the port numbers displayed one by one).
Check the port number