me to mind, it would be good to have a machine to sort different kinds
of screws from a "collection box". US screws mixed with metric ones is a
total nightmare for me.
Best wishes,
Rafael Skodlar
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RaspberryPi is yet another option. Students could take them home for
their homework.
Not the easiest ways, just ideas.
Rafael
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ould
most likely be the same.
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other implementations is that
it also supports WOL passwords.
Read the man pages...
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Les, barns are for horses, cows, or pigs not PC computers ;-)
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penplcproject.com/runtime/raspberry-pi/
https://www.openhardware.io/
Modern PC motherboards and freaking parallel port are a total waste for
CNC (retrofit) in 202x! Using multicore CPUs with GBs of RAM to spin
stepper motors with obsolete G-code is nuts!
Good luck,
Rafael Skodlar
Exclusive Linux user and
enbuilds is not using LinuxCNC is saying something.
Dead end: no innovations, limitation in electronics/hardware selection.
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grows into tens or hundreds I would use sqlite to
keep track of it all.
One thing should be forbidden, spaces in the file names. File names
should not start with uppercase characters because that requires two
fingers to type which is not always convenient.
on few gears like that. See
https://www.harmonicdrive.net/technology
I know that people play with 3D printed plastic ones for toys etc. but
that cannot replace metal.
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https
were invented way back to create
nice menus on text terminals. Clicking on pixel icons does not add value!
Enough of Computer literacy 001.
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ne so why reinvent it? CNC software should absolutely not need to
bother with this kind of details IMO. Product design overkill kills it.
By the time you reinvent the wheel, you could make money to pay for the
components bought from fine advertisers in Digital Machinist magazine or
such.
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ated (awful) G-code would
behave in LinuxCNC of course.
This also reminded me about a book I bought in 1990s: The CNC Workbook
(Addison Wesley 65600) that came with a floppy for DOS program. I
misplaced the floppy but remember there was a program to simulate CNC
lathe. Very good book with labs
leshoot, etc.
Is LinuxCNC going to stay as it is and end up as other old computer
technologies described in IEEE article "Inside the Hidden World of
Legacy IT Systems"
https://spectrum.ieee.org/computing/it/inside-hidden-world-legacy-it-systems
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630 Henry Street
Dalton, Ohio 44618
Phone: (330)828-2105ext. 2031
.
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op, any plan for this?
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I miss days when utilities mt and rmt were needed for files
manipulation! It's magic to watch tape reels spin one way or the other.
No silly G-code needed to spin reels or have the drive suck tape into
vacuum chambers ;-)
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need to unmount it
before you use fdisk to delete and create new Linux partitions on it.
Check with
df -h
Good luck,
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t that you are top posting and hide behind incomplete name
tell it all!
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ers, small or large
(?), away from LinuxCNC.
imho rt preempt is the future, as it is maintained, and you can get modern
kernels with it.
just trying to kill the rumor that linuxcnc doesnt work on new PCs.
Rene
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.
You can try to use different kind of connectors with screws to tighten
the connection. That depends on space between the pins on Gecko side.
It was running the Knee with a 1200 oz-in motor and 60VDC power supply.
John
I hope it's helpful.
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On 2020-04-02 03:14, Przemek Klosowski wrote:
On Wed, Feb 19, 2020 at 1:51 AM Rafael Skodlar wrote:
Think about LinuxCNC and it's packages. Using Slackware method you could
try to use different version of LCNC to see if it's good for your CNC
setup. If the new version fails (breaks
I said, just my 2 cts,
Ron
I study technologies while you watch sports...
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2Y0bv8
Hang tough, be careful.
Dave
Thanks for civilized email exchange and helpful link.
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#x27;t recommend to
use N for an antenna unless it's an emergency and the whole nation is in
kernel panic mode. Oh wait, we are.
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Hi Peter,
On 2020-03-15 20:19, Peter C. Wallace wrote:
On Sun, 15 Mar 2020, Rafael Skodlar wrote:
"... The outputs are push pull CMOS that will drive to the output
supply rail of 3.3V. This is sufficient for TTL compatibility but may
cause problems with some types of loads. For ex
On 2020-02-19 00:11, Robert Murphy wrote:
On 19/2/20 5:47 pm, Rafael Skodlar wrote:
. snip
examples of embedded system customization:
https://wiki.st.com/stm32mpu/wiki/OpenEmbedded
http://wiki.openmoko.org/wiki/OpenEmbedded
To naysayers; there's gold in those hills:
are simply too busy with your CNC machines to bother with the mailing
list. This is good sign.
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v2.7/etc
/opt/linuxcnc-v2.7/lib
/opt/linuxcnc-v2.7/man
/opt/linuxcnc-v2.7/log
/opt/linuxcnc-v2.8/bin
/opt/linuxcnc-v2.8/etc
/opt/linuxcnc-v2.8/lib
/opt/linuxcnc-v2.8/man
/opt/linuxcnc-v2.8/log
Latest release would be:
/opt/linuxcnc -> link to /opt/linuxcnc-v2.8.
Your path to LinuxCNC binaries
ng Linux
for most if not all of your work.
It is a little like buying a harbor freight mini lathe and then your first
project is a working gas airplane engine.
Oh my, I won't be able to build a working gas engine. Little Greta told
the World that gas engines are forbidden n
uot;newer is better".
"Make America Metric" I say.
Need explanation?
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that in old email
signatures. My fun with ASCII art in the 1990s:
. .. . . . . . o o o o O o
___ ___ _ O
| Rafael Skodlar| | LINUX | ]OO|_n_n__][.
| ra...@mydomain.com |=| Support |=||=[]_|__|_
n be done on one system.
I poked around CNC kern.log and other logs. It's easy to see that there
is a lot of useful information for troubleshooting.
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esume ;-)
If there was an easy way to help somebody remotely on the Linux(CNC)
side I would gladly help. In person I can only help in Silicon Valley
but here we don't have many machine shops anymore. I doubt we can count
those with LinuxCNC w
On 2020-01-27 05:41, Eric Keller wrote:
On Sun, Jan 26, 2020 at 11:52 PM Rafael Skodlar wrote:
LinuxCNC is not only about RT kernel as some threads seem to spin around
to no end. It seems that Chris understood my original post the best.
What he pointed out is use of modern technologies that
s a source for project proposal to venture
capital to fund it. Crowd source LinuxCNC upgrade perhaps?
One way to handle ideas for improved LinuxCNC that are sprinkled in
different threads could be collected in a form of CNC-RFC (CNC Request
For Comments). Remember RFCs?
Accounted for inflation;
their fingers ;-)
SMT components are now a challenge for me. My eyes have seen too many
small things and need magnification for small parts/print ;-)
Thanks to you guys there is hope for me to build something.
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_
On 2020-01-21 11:31, bari wrote:
On 1/20/20 11:55 PM, Rafael Skodlar wrote:
That's fine. You can experiment with software/HW any way you want. I
was pointing out what makes sense and what not. You can try running
X-windows over PPP connection through 56k modem over the phone line if
you
Hi Ron,
On 2020-01-20 12:10, R C wrote:
Hello Rafael,
First; As I said, I am setting up a test bed, not even a CNC, just to
work out how to make some combination of linux-cnc, stepper drivers and
stepper motors work.
Second; When I get it figured out, and I am sure I will, because this
reless in some cases. Numerous
robots work that way.
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Sun
(Microsystems) went down.
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of it; marketing, options development, advertising, support.
Looking for more details about your setup ;-)
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ntually. I don't know how much of this stuff is "out there" but it's
likely in megawatts of energy shuffling emails back and forth.
Conclusion, top posting without trimming is contributing to global
warming more than normal style.
So there,
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in e-mail?
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tric
noise or atmospheric electric discharge that killed a lot of RS-232
circuits which I ended up replacing with 60mA loops in my career.
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ty over anything
else in the system for example.
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On 3/25/19 3:51 PM, andy pugh wrote:
On Mon, 25 Mar 2019 at 22:18, Rafael Skodlar wrote:
PCs were NEVER intended to be used for CNC yet some of you out there use
it for that purpose.
That is the _entire_ raison d'etre of LinuxCNC.
Do you still use fax or pager by any chance ;-) I
me effort and it usually works after a bit of effort.
and testing different solutions. Can you show me any proof that I am wrong?
Les
Many discussions on mailing lists end up nowhere because it's fruitless
to argue who's right and who's not. I just don
plane, most
cables from interfaces were in the back with few on the top, all
enclosed in well ventilated box.
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Some people have vision, some do not, and some simply follow what a self
imposed elite tells them to do.
_
.
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rogress in computer science and anything else since
1980's PC. The most notable difference is we virtualize that hardware in
software and keep throwing more Intel like CPU cores and RAM at it these
days. I see it every day at work. Just look at an icon
thread that grew out from "Fusion 360"
is ConFusion. Now I wonder about their Eagle acquisition also. "2
schematic sheets, 2 signal layers, and an 80cm2 board area." PCB with
80cm2 only? Really?
Sorry, but Autodesk "embrace and extinguish" business model i
spend time discussing about new
minicomputer architecture for CNC use instead of failed political dreams
and techno scams.
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ge is very low there.
That postage is subsidized by USPS based on some old obscure law that
was put in place to help undeveloped countries I heard.
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t together and solve CNC
automation problems as a company selling an ultimate CNC product.
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start with the minimal system to test basics:
motherboard, PSU, keyboard, video connection, Linux in USB memory or CD
(if you have such a drive) is enough to start. Unplug all other
interfaces to eliminate their possible interference in troublesh
e
problem.
Anybody have a clue whats going on?
Thanks all;
Cheers, Gene Heskett
Good luck,
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y machine was delivered upside down, broken parts inside,
bearing for lead screw seized first hour of use resulting in broken cast
iron gears. When you look at steel and finish quality you see that's
worth less than what you paid for.
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HP plotters that I maintained or
repaired in the past.
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quot; with Android for
example. It would be connected to the CNC system over USB3 to control
jobs; not motors, relays, or other components in detail. Hint: ROS for
managing robots. Bluetooth could also be an option. This would allow for
one person to walk around and manage a set of CNC syst
g two
footnotes?
Looking at your first response I can only say thanks for your
contribution to this discussion.
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APM + Mobile APM + RU
On 02/03/2016 09:00 AM, John Kasunich wrote:
>
>
> On Wed, Feb 3, 2016, at 11:49 AM, Rafael wrote:
>
>>
>> Problem with all those boards is in the fact that they have no common
>> bus so that others could build standard interfaces on open architecture.
>> All s
does a CNC mill but require much less precision. None
> the less the problems are similar. in the last few year a control
> architecture has become popular for robots called "ROS"
Cool. I'm aware of ROS.
Thanks both you guys for good feedback. I won't bug this list with
motor drivers. They handle
everything including UI for selecting files from tiny memory cards.
Large CNC systems require more computing power of course, but that too
should not be a problem for decent IO cards independent of motherboard
latency.
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Rafael
On 02/02/2016 06:34 PM, Jon Elson wrote:
> On 02/02/2016 02:08 PM, Rafael wrote:
>> Why use this, why not use that? This is precisely why
>> LinuCNC has no traction in commercial products. Unless
>> things have changed in the last 2 months, you cannot find
>> a single
sed on Ubuntu Trusty? This is to be
>> able to use LinuxCNC uspace with a 7i92.
>>
>> Thanks
>> JT
Open for discussion.
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would figure this out by now. The only
exception is Israel which presented a number of innovations at CES. My
guess is that others from the ME were not encouraged to come to CES and
present suicide wests and other inventions they so feverishly work on.
After everybody gets rich, we'll s
world I don't understand either.
> loathing for the use of m4." m4 could probably do it, but it will be the
> most obtuse, write only code imaginable. Been there, done that, have the
> scars.
>
> jerry
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-
ed and mounted under /home
Disk drives are so low cost thee days that it's worthwhile to install OS
on a new one and use the old one for backups.
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Everybody please trim advertising and other noise at the bottom or other
parts that are not relevant in the replies.
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run standalone tests on VFD?
How about replacing the DC motors with large resistors and run the
tests? One by one or all. Are those brushless motors? What's the noise
around motor wires with a motor or with a resistor?
--
Rafael
---
k, like TVs and radios with vacuum tubes ...
[1] I don't think they write such articles anymore. I hope not.
> One of way too many references on the web.
> http://ecmweb.com/bonding-amp-grounding/basics-bonding-and-grounding-transformers
>
> Dave
I hope that nobody gets zapped before this highly charged and perhaps
the long(est) thread is over.
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olytic
caps in your VFD or power supply. Very critical in analog circuits.
Electrolytic caps are the most unstable electronic components and need
to be replaced in old equipment. Some large caps can be refurbished but
that's an extreme situation in very
x of steel washers and copper wires has it's own issues. In
addition, I would turn all screws on boards back and forth to make
better connections also.
Next thing is PSU. Old electrolytic caps may not be good enough anymore,
there might be RF noise problem between the circuits, wires
On 12/15/2015 01:54 PM, Dave Cole wrote:
> On 12/15/2015 2:57 PM, Rafael wrote:
>> Agree, but that's for big boys, much bigger than toys in my garage.
>
> You just need a bigger garage. :-)Used heavy iron oftentimes goes
> for close to scrap value.
> The market f
On 12/15/2015 10:06 AM, Dave Cole wrote:
> On 12/15/2015 2:57 AM, Rafael wrote:
>> I was wondering what is the easiest way to make a T-slot aluminum based
>> frame for CNC square?
>>
>> No matter how good is the cross cut, it never makes absolutely right
>> ang
I was wondering what is the easiest way to make a T-slot aluminum based
frame for CNC square?
No matter how good is the cross cut, it never makes absolutely right
angle in corners or T sections which causes problems with guide rails etc.
Thanks,
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s,
> building them into that motor supply, I could put the 20 amp breaker
> back in and it wouldn't be quite so ill eagle if an inspector looked it
> over.
>
> Cheers, Gene Heskett
>
Greetings from the left coast.
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---
heck LinuxCNC site which motherboards are
supported (pain in the back if you ask me).
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> Thanks,
>
> Dave
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> X-Cron-Env:
> X-Cron-Env:
> Message-Id:
> Date: Sun, 12 Jul 2015 01:34:01 -0400
>
> xset: unable to open display ""
>
> A few thousand copies of this, adding one more per hour. And the bla
keep evolving.
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c transfers with some tens of bytes each
Not sure how you can do that without a dedicated clock line.
> Any ideas, hints, comments?
>
> Regards,
> Philipp
If nothing else, just searching around and reading responses from others
I learned a lot.
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Where's my floppy disk
m-family-adopts-new-freescale-imx6-ultralite/
That's how I see it. I suggest you check out http://elinux.org/Main_Page
and tell me how many HW projects are board compa
kplane
and interfaces.
Of course, it would be also possible to make active backplanes with
microcontroller and some peripherals or ports built in.
> XMos has done something like that with PCIe x1 connectors for their
> "slice card" peripherals which are NOT PC
Perhaps it's just semantics but we are not making progress here ;-)
On 06/06/2015 05:46 AM, Alexander Rössler wrote:
>
> Rafael writes:
>
>> On 06/05/2015 01:18 AM, Alexander Rössler wrote:
>>>
>>> Rafael writes:
>>>
>>>> On 06/04/2015 0
On 06/05/2015 01:18 AM, Alexander Rössler wrote:
>
> Rafael writes:
>
>> On 06/04/2015 07:13 AM, Ron Bean wrote:
>>>> If you need one computer to see the GUI and one for realtime
>>>> effects, why not just start out with a real computer and load Linux and
&
costs down.
IMO it would be better if ARM architecture based universal bus would
emerge for use in small embedded systems under $100 so that vendors
would be encouraged to build controllers with "Mesa card" like
functionality and other interfaces to handle digital and analog IO
end’s
> 0-1Ghz spectrum analyzer to see if I can find the source/frequency of the
> noise and/or where it migh
t be getting to the PC. I will start playing with that tomorrow.
>
> I am wondering if anyone has any ideas of where i can look, or what I can do?
> -Tom
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mart phones for some strange reason these days) to alert you on
desired events.
I would not use email as it is indeterministic event.
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Dive into the World of Parallel Programming. The Go Parallel Website,
n my system with
working CUPS. I doubt you need it.
apt-get search cups
returns a number of packages, some of which might be needed in addition
to what you already have to get your printer going.
Have you tried CUPS setup with web browser http://localhost:631 to
manage the printer?
Try to
check for that.
>>>
>>> Ray
>>>
>>> --J. Ray Mitchell Jr.
>>> jrmitche...@gmail.com
>>> (818)324-7573
Mixing old memory with new motherboard is most likely the issue here.
Make sure you have memory type that manual recommends and your PC will
help
rom
the hard drive. You should be able to login without a password
afterwards. Then change your password. Make sure you test login before
you logout to prevent lockout again.
For editor you can use either vi or nano.
There are
n attempted positive comments to some of the negative
> response he gets. People should either not engage if they are not inclined
> to help or help.
> Just sayin
> Stuart
Your new target,
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--
Open source
whatever you want and add your own parts as needed or desired.
Something worth considering.
> If the crating was bad its quite possible that the frame could be
> tweaked also.
>
> I've heard of stories
printui2.2-doc - GNOME print architecture User Interface - doc files
cat /etc/issue
Ubuntu 12.04.4 LTS \n \l
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Instantly run your S
s also easier to carry 2 or 3 USB sticks in the pocket than DVDs.
As far as compatibility goes, no problem with sound but Nvidia chip
based video cards are the biggest pain to setup in my experience. Even
Linus has strong opinion about them.
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-
On 11/18/2013 02:45 AM, Bertho Stultiens wrote:
> On 11/18/2013 06:06 AM, Rafael Skodlar wrote:
>> First, I'm not familiar with the program details. However, I wonder why
>> unit of measure throughout the program matters at all?
>
> There is a simple reason why it matter
t;
> All that said, making "-i" work on the global default improves
> predictablility of the generated code and does not worsen the situation
> (until I get a brainfart that has burning side-effects).
>
I'm not sure what audience this program is trying to address so my
commen
d bad
command. With controllers that only handle G-code there is no such
verification, or is it?
Fact, systems that handle G-code are technically still on the same level
as computers using paper tape for program input decades ago.
It's easy to recognize the resistance from those who are af
. To
> circumvent that the code is checked against the centrally held working
> copy and any changes flagged for investigation. BTW - if they don't
> document it - no bonus :)
>
> When you know what Gcode is, and how it works, perhaps you'll
> understand.
>
> Steve B
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