Gene, https://oshpark.com/users/sign_up
On 12/14/2016 08:53 PM, Gene Heskett wrote: > On Wednesday 14 December 2016 13:14:34 andy pugh wrote: > >> On 14 December 2016 at 15:47, Gene Heskett <ghesk...@shentel.net> > wrote: >>> Haven't tried, its been screwed for close to the time limit of my >>> backup storage setup. >> You said: >> "But uspace-linuxcnc is >> running, gfx and all, on the R-Pi 3b, smoothly enough for this picky >> old man. " >> >> On the 29th November. That's 2 weeks ago. > well, so much for that Idea. tar was cleaning house, getting ready to > overwrite everything non-volatile from / up, and its crashed. No > bootable card left. > > Convinced as I am that I've somehow blown a gpio pin anyway, I just > ordered 2 more pi 3b's, with heat sink kits from mcm @$35 each plus tax > & shipping. And Jeff Epler has not replied as to whether he has any > spares of the spi adaptor board he designed and put on OSHPark share. > And I can't get it from OSHPark because there is no place to create an > account, only to login if you have one. Strange way to do business IMO. > Or my cataracts are worse than I thought. Shudder. I'll put another sd > card in the writer & put another copy of Jessie on it, but nuke the > passwds for root and pi before I stick in back in this pi so I can at > least set a longer root pw, and a user pw that is the same system wide. > > But as unstable as the stock install is with the rt kernel, I'll have the > next 2 pi's on hand for insurance before I get serious about loading up > lcnc again. Or just say screw it and bring the old Dell & its 5i25 close > enough to work it. If I could find some breakouts usable. What I have > has 1/3rd of its ports screwed up with something or other for Machs > bastard setup. And CNC4PC has discoed their good board. Rev 4 of the > C1G. I thought I was getting one from John T., but it was a rev3, with > half a bushel of 20 kilohertz max opto's on it, Rev 4 has no opto's, and > a 10ns propagation time in either direction. Great card even if it was > $90. With a nice brite led on every line going both ways, makes a great > troubleshooting tool when first hooking stuff up... Encoder acting > funkity? Roll the chuck a few degrees and watch the leds. > > I am about done with re-inventing these wheels only to have shitty > hardware like these female-female jumper cables destroying something > damned near every day. If I had been able to carve hal code with half > the time I've spent trying to stay half a skip ahead of these jumpers > and apt, I'd have been making swarf 2 weeks ago instead of going to bed > so damned discouraged I am not getting enough sleep every night for the > last 2 weeks. > > I am not kidding about these jumpers, you can peel one off the bunch, > plug it over a pin on an old 40 pin ide interface card, slowly turn the > card over so its hanging down, and it will fall off the pin before its > hanging straight down. I saw how cheap they were, and bought some from a > different vendor for a dollar more, same exact crap. > > I just found an old 40 wire IDE cable with 3 connectors on it. So I'll > cut one end off with about an inch of cable I can strip and stick it in > some solderable perfboard, make up another 8" 26 wire with the 26 pin > IDC header plugs to fit the 7i90 if and when they find my mailbox, and > make up an adapter cable, with series terminating R's on the perfboard, > that cannot be installed wrong as long as the pin one arrows are obeyed. > > Not your fault Andy, but that Murphy that wrote all those laws lives > here. Apparently for free. > > So I'll get started on a new cable tonmorrow. > > Take care, Andy. > > Cheers, Gene Heskett -- MC Cason Eagle3D - Created by Matthias Weißer github.com/mcason/Eagle3D ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
