PCB Milling Hell

Thinking of finally putting this custom milled PCB Arduino snake monstrosity to rest, by completing it this weekend. It's been weeks in planning but i  still can't seem to get the mill to work correctly. I think the main issue is the software I'm using for auto-leveling the CNC machine requires a higher version of GRBL. Also i think another reason is the way I decided to over complicate things by designing the PCB in illustrator which was really cool because i could get a nice logo and the boards did come out okay and damn close... However i think all the measurements where off and importing into inkscape fucked up all the scaling, I was scaling the board up by like 3.65, some ridiculous number like that.
So here are the main aspects i need to complete this project:
  • Figure out how to use EAGLE software
  • Generate some GCODE from eagle
  • Figure out how a GRBL controlled CNC really works
  • Figure out how the auto leveling works
  • Mill the PCB and assemble the finished product
  • And i also ran out of 10K ohm resistors but I'm sure I can find some laying around
Here are some progress pictures anyway......

This was by far the most promising looking board until it cut too deep and as you can see on the right side with the uncompleted trace, my V-Bit snapped.  

 This one was my first attempt and it was quite fun to finally see a result but alas the board was uneven and didn't turn out so well.

 This just shows how cool it is to mill out your own little logo.
 
 This one looked promising as well but just missed the mark of actually cutting.

This is the last board i did, every thing was looking fine, but i think the board was cutting too deep and at a low spindle RPM, so maybe i should avoid that in the future. The hole in the top right is actually from auto leveling the board for some reason it thought after auto leveling that was the home position and just started drilling down, i just managed to cut the power to save the machine.

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