Using Telnet - bdring/Grbl_Esp32 GitHub Wiki
Telnet has recently been added to the WebUI branch.
Setup
To use it, make sure ENABLE_WIFI and ENABLE_TELNET are defined in config.h. The default code has them defined.
You can also change the settings in the WebUI
Performance
The performance for streaming gcode is not that fast. Here are the recommended setting for LaserGRBL.