Can I change the maximum laser power setting?
Adjust the $30 parameter to set a value related to your laser's wattage; for instance, using its milliwatts rating or common values like 255 or 1000. This controls how LaserGRBL interprets laser intensity commands during operation for optimal power and performance output. (Page 4)
From the official Lasergrbl Laser Grbl Software manual, page 3
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