@jason I agree that it is unusual ..
I wonder where I maybe wrong ..
Following the pdf here on the forum I changed the pin of the fan and connected the cable ttl …
the laser power is directly taken from Ramps.1.4 and S10 M106 and M107 controls respond correctly ..
In lower values below 100 … the laser is blue and does nulla..ben visible but not engrave or cut – let’s say always “pointing mode / positioning”
I do not know if I am told ..
Hopefully I can make a video ..
May I ask a favor?
Riuciresti gcode to pass me a drawing of a small simple?
Maybe I have a problem in creating gcode ..