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  • unknown
  • unknown
04 Feb 2025 04:15
Replied by unknown on topic LinuxCNC 32 BITS

LinuxCNC 32 BITS

Category: General LinuxCNC Questions

VGA 3 rows of pins
9 & 25 Pin serial 2 rows of pins.

VGA will fit into a serial port, hammer, lube & wire cutters required to remove pins, guaranteed to not work.
  • unknown
  • unknown
04 Feb 2025 04:10

Used Laptops tested with LinuxCNC and Mesa Ethernet boards

Category: Computers and Hardware

T530, I think I'm in a cult.
Get the model with the dual graphics (heatsink\cooler is better and reportedly will run a 45w i7), If you want to stay with 35 watt, i7-3632QM will be fine. Meh to touch screen, IMHO, sausage fingers make it hard.
  • tommylight
  • tommylight's Avatar
04 Feb 2025 04:05
Replied by tommylight on topic LinuxCNC 32 BITS

LinuxCNC 32 BITS

Category: General LinuxCNC Questions

USB to parallel port adapters do not work with LinuxCNC.
Also, not VGA cable, that should be serial port with 9 pins and 3 thin wires, whereas VGA has 15 pins, but they do have the same outside dimensions.
  • unknown
  • unknown
  • tommylight
  • tommylight's Avatar
04 Feb 2025 04:01

Used Laptops tested with LinuxCNC and Mesa Ethernet boards

Category: Computers and Hardware

Well that limits stuff to only X1 Carbon Yoga then, given that bumping into a T470 with touchscreen and 120Hz screen is quite hard.
BTW all 3 of mine have 120Hz screens, although that is utterly useless given the integrated Intel graphic.
The thing is, X1 are hard to find, but they have top quality electronics and build quality, and X1 Yoga even harder.
My X1 is Gen 1, there are many gens after it.
T470 and Yoga 370 have no generations, as far as i know.
  • unknown
  • unknown
04 Feb 2025 03:56

Linuxcnc & the Raspberry Pi (4 & 5) Official Images Only!!!

Category: Installing LinuxCNC

As of Feb 4th 2025 the the 6.12.xx series kernel is not supported by Ethercat, so installation will fail. Those wanting Ethercat are encouraged to use the previous version. This is one of the pitfalls of creating images, if a older kernel is used people get upset, if a newer kernel is used people get upset. Eevn if we had of used the Rpi kernel that is "current", 6.6.x series, Ethercat would have the same issue.

Rodw is on to it and has raised the issue on the github repo.

www.linuxcnc.org/iso/rpi-4-debian-bookwo...23-11-17-1731.img.xz
www.linuxcnc.org/iso/rpi-5-debian-bookwo...23-11-17-1520.img.xz

"Does not work" is useless without further information. We do not read minds, I at least don't like playing 1000 questions.

If you have issues writing the image to an SD card, try extracting the image from the downloaded file (don't ask me I don't use windows), as the file is compressed to save space and time downloading, then try writing the image. If that fails check the sha256 sum. Tho if the file is corrupt extracting file will likely fail anyway. So check it first.
www.linuxcnc.org/iso/
  • GeckoWorks
  • GeckoWorks
04 Feb 2025 03:48

Used Laptops tested with LinuxCNC and Mesa Ethernet boards

Category: Computers and Hardware

Hey Tommy,
As always thanks for all the info you readily share here.
Quick question if you don't mind and then some background if you care for it;)

Which of all these touchscreen options do you rate the highest for our use?
(I know there's no guaranteee it will work as well for me)

Background:
The thing is, I used to be based in China and can still source there on the cheap so I can get pretty much all of the options you listed and some others (except no Y370s, maybe they never sold it there).

For my mill/router I have sourced a Lenovo mini pc, a Dell touchscreen and Mesa cards - though still haven't installed it.

But I will soon set out to CNC a small lathe and I am up for giving a cheap laptop a try. I actually don't have a PC laptop at all so even if it somehow doesn't work out for machine control, I could still use a cheap one to tune the servos on the machines and run 1-2 other odd Windows programs - then I wouldn't need to keep the machine PCs as dual boot machines.
  • unknown
  • unknown
04 Feb 2025 03:42
Replied by unknown on topic LinuxCNC on Raspberry Pi 5

LinuxCNC on Raspberry Pi 5

Category: Installing LinuxCNC

There is a small patch to allwow the kernel to make a sysfs entry that Linuxcnc and some other programs use to determine if the kernel is a realtime kernel.

forum.linuxcnc.org/media/kunena/attachme...ernel-realtime.patch

forum.linuxcnc.org/38-general-linuxcnc-q...6-12?start=10#315437
  • unknown
  • unknown
04 Feb 2025 03:38

Installing NoMachine Remote Desktop - Package installer issues

Category: Computers and Hardware

You failed to read the installation instructions on the website.

sudo dpkg -i nomachine_8.16.1_1_amd64.deb

Of course changing the package name.

For just editing files this is way over kill.
Install Putty on the windows machine.
Login into the Linuxcnc machine via ssh
sudo apt install mc (it may already be installed)
Browse the filesystem
F4 will open the editor, in asked choose mcedit.
F10 closes and saves the file.
Yeah yeah yeah it looks like Norton Commander, but it is a very powerful tool. Eevn on a full desktop install I still use it.
  • rubinstu
  • rubinstu
04 Feb 2025 03:11
Replied by rubinstu on topic HAL and INI files for Dual Y Axis, HY VFD

HAL and INI files for Dual Y Axis, HY VFD

Category: Advanced Configuration

Thanks, Tommy! I took a quick look and I think the configs make sense for what I have. I'll give it a shot.
  • spumco
  • spumco
04 Feb 2025 03:05
Replied by spumco on topic caxis.comp - How to freewheel axis/spindle?

caxis.comp - How to freewheel axis/spindle?

Category: HAL

@Aciera -

I tried to use the python comp, but I'm getting an error. Probably related to my installation rather than your file.

lathe@lathe:~$ halcmd loadusr /home/lathe/linuxcnc/configs/LATHE_REV1.713/python/unhome_comp.py
lathe@lathe:~$ /usr/bin/env: ‘python3\r’: No such file or directory
/usr/bin/env: use -[v]S to pass options in shebang lines

Any ideas?
  • Toribio1898
  • Toribio1898
04 Feb 2025 03:01
Replied by Toribio1898 on topic LinuxCNC 32 BITS

LinuxCNC 32 BITS

Category: General LinuxCNC Questions

Thank you so much!. My netbook, as already mentioned, has 2 gigabytes of ram and an SD, I don't know if a cable with a parallel port, via USB, that is functional to work directly with the GSK 980 TDb will be valid, which board do they use to connect to the lathe, after the parallel port?. It shouldn't be very difficult, since the cable of said lathe is a vga type, but with only 3 very thin cables, I think I read in your manual that that little lathe is 32 bits... Thank you very much again! Very kind for your patience with me.... Congratulations!...
  • notJamesLee
  • notJamesLee
04 Feb 2025 02:08

Installing NoMachine Remote Desktop - Package installer issues

Category: Computers and Hardware

Thank you so much. I did have a typo. I am getting a different error now that i think ill take back to their forum.
james@CNCPC:~/Downloads$ sudo apt install ./nomachine_8.15.3_1_amd64 [sudo] password for james: Reading package lists... Done E: Unsupported file ./nomachine_8.15.3_1_amd64 given on commandline


I am interested in the solution you recommended but I think installing all of that and getting them to talk to each other seems a little out of my league unless there's super easy to follow instructions somewhere HAHA.
  • TangentAudio
  • TangentAudio
04 Feb 2025 01:05

Configure a non-motorized axis with a linear scale (DRO mode) - Solved

Category: Advanced Configuration

Digging in a bit more, I think I understand what's happening.

In the AXIS source code, the "Touch Off" dialog issues a G10 L20 via the MDI, for example G10 L20 P1 Z1.0 to touch off Z in WCS 1 to 1.0

I haven't yet gone digging into the G-Code parser part of LinuxCNC yet, but I imagine it uses the joint's COMMANDED position, not the ACTUAL position.  With my non-motorized axis, the commanded position is 0, even if the actual position changes via the magnetic scale.

Using the MDI manually, I can get the effect I'm looking for by applying the ACTUAL position plus the desired touchoff offset to the G10 L20 command.

So I see two potential approaches...
  • dig into the G-Code parser, extend G10 L20 so it can be told to use the actual position instead of the commanded
  • modify AXIS (or whatever GUI) so it applies the actual position plus whatever manual offset is entered by the user
I found a post from a few years ago that's at least in the same ballpark... but no real solution on offer.  It sounds like Probe Basic might do something like what I want out of the box though.
forum.linuxcnc.org/qtpyvcp/46910-g10-l20...s-offset-like-g10-l2
 
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