I am running Marlin on an BTT SKR pro V1.2.
When i try to connect to the laser it shows the message ‘Auf Verbindung warten…’ in the concole tab and nothing further happens.
LB does not automatically find the laser, but shows the serial port (COM10).
When connecting with a terminal program (i am using YAT) it works. I can home, switch laser on/off and even send (very small) files that were engraved/burned ok. The file only contains a small rectangle (5x10mm²).
I can also use files from SDCard with Marlin without any problem.