I too have a Beagle with a xylotex cape just sitting there looking for a 
project.

One option I've thought of, and it might be ideal for that is scrap the hdmi 
and on board flash to get more I/O.  Then connect an SPI 10" screen and the 
ability to support a key button matrix of up to say 64 buttons and an MPG.

As a standalone 4 axis power feed controller with spindle speed/direction 
support.  And the Ethernet support to make it look like say a 7i92 from the 
Linux perspective with UDP packets for control. 

With that you can run the mill in a partially automatic mode for manual type 
operations.  Say a MACH type wizard for facing with depth per layer parameters. 
 But, when you want that full CNC operation you plug the PC into the Ethernet 
connector (or Pi + Monitor/keyboard/mouse) and it's now a full LinuxCNC system.

Probably not at the level of the MESA Ethernet units but adds that standalone 
concept that I'd call a ELS-MILL.

John 

> -----Original Message-----
> From: Robert Murphy [mailto:robert.mur...@gmx.com]
> Sent: June-14-21 9:01 AM
> To: Enhanced Machine Controller (EMC)
> Subject: Re: [Emc-users] BeagleBoneBlack
> 
> Ok Andy that sounds great. I�ll pull out the little beast and give it a whirl.
> One question tho, will this build on Wheezy or do I need something �more� 
> modern.
> It would be great to put the BBB and the breakout boards back into service, 
> even for an overkill project.
> Cheers
> Rob
> 
> Composed with my Crayons
> 
> > On 14 Jun 2021, at 22:57, andy pugh <bodge...@gmail.com> wrote:
> >
> >> On Sat, 12 Jun 2021 at 08:32, Robert Murphy <robert.mur...@gmx.com> wrote:
> >>
> >> What I was thinking of is a simple GUI control the position of the
> >> fence, and hooking a ESP32 (via ethernet) to do the motion
> >> control..
> >
> > This sounds like it might be simple enough to do with a BBB and PRU
> > stepgens or even with software stepgens on A BB or a Pi.
> >
> > I pulled PRU support into LinuxCNC some time ago, but nobody stepped
> > forward to test it. (And without a BBB buildbot builder no packages
> > are made)
> > git checkout andypugh/bb_pru to try it out.
> >
> >
> >
> > --
> > atp
> > "A motorcycle is a bicycle with a pandemonium attachment and is
> > designed for the especial use of mechanical geniuses, daredevils and
> > lunatics."
> > � George Fitch, Atlanta Constitution Newspaper, 1912
> >
> >
> > _______________________________________________
> > Emc-users mailing list
> > Emc-users@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/emc-users
> 
> 
> 
> _______________________________________________
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