March 2020 Guide to the configuration parameters of a GRBL-based laser marker. By arkypita, developer of the LaserGRBL software
I need help I use Laserweb4 and arduino uno with GRBL 1.1 for engraving. - LaserWeb/CNCWeb - Maker Forums
![Y Axis mirrored. Tried $2=2 in GRBL, nothing changed - Troubleshooting - Inventables Community Forum Y Axis mirrored. Tried $2=2 in GRBL, nothing changed - Troubleshooting - Inventables Community Forum](https://discuss-assets.s3.dualstack.us-east-1.amazonaws.com/original/3X/f/6/f6327a3f7892c724cb1d5f56d5536709f025812c.png)
Y Axis mirrored. Tried $2=2 in GRBL, nothing changed - Troubleshooting - Inventables Community Forum
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