is there a way or option in lightburn to invert the Y axis without modifying the motor wires?
If it’s a grbl laser, you can just invert the direction for each individual axis via the machine settings (firmware settings). It’s not a LB setting.
With my MKS DLC32 v2.1 32-bit GRBL controller everything works fine the Y axis is not inverted only when I connect to the computer with Lightburn the Y axis is inverted when I press the down arrow the laser goes backwards and up arrow the laser comes forwards …
Then you did set the origin incorrectly. You can change this in device settings.
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