I have the latest version of Lightburn and a home-made cnc/laser machine using Reprap firmware on a Big Dipper Duet3+mini5 board. Connecting with USB, Lightburn will identify the machine as ‘grbl-M3’ and, apart from a couple of codes it ignores, gcode files made with this machine profile work OK. However, I cannot persuade Lightburn to send gcode to my machine directly either over the USB or wifi. Can anyone offer any help or insight please? Thanks Ian
Check out if it’s compatible to common grbl standards. Then it should be able to get commands sent over USB. If it detects your laser using USB and even recognizes a grbl-flavor, I don’t see why it shouldn’t communicate with it. Once you send the project, check the console window and report the output.
If you want to connect via wifi (that’s really highly discouraged since the connection is more unstable), you need to change the device configuration from USB to Ethernet, enter the IP address and probably change the connection port in device settings window.
Thanks Melvin, I have now managed to connect and pass gcode files to the laser. It seems that, if any of the computer’s COM ports get used for anything else before trying to connect with the laser, it messes things up so its probably just a ‘feature’ of my old computer…(and Windows)
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