*I added espwebsocketserver to my ESP8266 plotter. In the LaserGRBL software, I activate the LaserWebESP8266 port and enter in the address field:
ws: //192.168.0.134: 81 /
and I can transfer g-code files via WIFI.
Is it possible in GRBL-Plotter? Do I need to change the ESP8266 firmware?