$X G20 G90 G64 G40 T0 M6 G17 G1 F500 G0 X0 Y0 Z0 G1 X20 G0 X0 Y5 Z0 G1 X10 G1 X20 G0 X0 Y10 Z0 M3 S64 G1 X10 S196 G1 X20 M5 G0 X0 Y20 Z0 M3 G1 X10 S255 G1 X20 S127 M5 s0 G0 X0 Y25 Z0 M3 G1 … Continue reading real time spindle control aka laser mode for grbl