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I am also running as YaNvrNo on my K40.
Not at a point i can spend much time playing with the laser unfortunately.

Working on an automation project for a 5 axis, multi head router almost makes up for it though.

Glenn

Art
I think the crash was of my own making.
The combo of the M3 and the G110 using the same PWM pin.

So this was weird installed the new version cut great a I said went to rerun that photo I posted in the in the laser stories and the power slider did nothing had it on Zero and it was still cutting ...

Have this working with M7(on) and M9(off) pretty cool stuff.
I do probably need to add a button.

With this last update and this going, I am back to where I was with the DSP but better greyscale images out.
Now down to seeing what playing will bring.
;D
Thanks again Art..
Glenn

Art
With the update you just posted (1.48), I can now cut the same as I was with the DSP.
600mm/m 85% and 2 passes in 5mm acrylic.

Code:

M3
G1x10
Y10
X0
Y0
M5

Working on the airblow now.

Thank you
Glenn

Made this so i could use the existing cabling in the work area.
Also allowed me to use the stock home switches.

Glenn

Art
I whole heartily agree.
I would prefer to just have the M3 and not be switching back and forth.

I wanted to see if that made a difference though.

I decided to put my bigger table build on hold, too much fun playing with the K40 right now.
Get to see immediate results. ;D

Question I also ...

Test on running the straight PWM value to cut. Using the G110 P value.
600mm/m and 85% laser power 2 passes cuts through the 5mm acrylic, beautifully.
Made it three quarters of the way through on the first pass.

M3
G110P85
G1X10
Y10
X0
Y0
G110P0
M5
M30

I had run the above code in single line ...

Here are the files for the bob I made in hopes it can help others.
Done in eagle 7.5 free version.
The board is single sided.

Thanks
Glenn

Art
Pin20/PWM pin2.
Since i am really not using the pin but running it through the transistor circuit I have the full 5v needed plus higher amperage to draw from then the pin allows. At least I think that is correct.

Hopefully tomorrow i can try a PWM out with the G code I have set up and see what ...

It actually looks pretty good the phone camera blurs it out some.
You can see better detail. I can say with certainty the output for Grey scale is way better with Auggie than the DSP that I have.
Machine is the same for both controllers.
I still have to figure out how to cut something out.
I did a ...