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  • tommylight
  • tommylight's Avatar
20 Dec 2024 18:37

Some new Linux CNC board by Bigtreetech looks cool still trying to get more info

Category: Computers and Hardware

Has anyone worked with them on this? 
 

Not that i am aware of, nor has it been mentioned here on the forum.
But i do not think i am ordering any, no ethernet.
also, i avoid using "all in one" for production machines as much as humanly possible, but i do use their boards on 3D printers.
  • MrDe
  • MrDe
20 Dec 2024 18:26

Remora - ethernet NVEM / EC300 / EC500 cnc board

Category: Computers and Hardware

Hi Scott,First, I want to thank you for your incredible work on the Remora firmware!Two weeks ago, I received my NVEM V5 board and started working on flashing it. Unfortunately, I couldn't find my STLink dongle (seems like I lost it), and I couldn't wait for a replacement. So, I decided to get creative and used what I had available. I flashed an STM32F103C8T6 using a Raspberry Pi Zero W with the "CMSIS-DAP" firmware you mentioned in one of your YouTube videos, using OpenOCD.As you described in the video, I then uploaded the "stm32f103xb_mimxrt1060_qspi_if.bin" to the mass storage device of the STM32F103C8T6, and it seemed to program itself as expected. I then connected it to my NVEM V5 board and dropped the firmware file onto it, but unfortunately, it didn't work.I spent the next three days troubleshooting but eventually gave up and purchased an STM32-Link, along with two CMSIS-DAP Probes (USB-A and USB-C). I received both of these items recently and tried again, but I’m still having issues.The CMSIS-DAP probes aren’t detected at all, neither by MCUxpresso IDE nor PyOCD. The STM32-Link is recognized by PyOCD, but I still can't get it to work as intended.Do you have any suggestions on where I should focus my efforts next? Any guidance would be greatly appreciated.Thanks again for all your help!
  • tommylight
  • tommylight's Avatar
20 Dec 2024 18:24

Homemade CNC Plasma - hypertherm, Mesa, gear drives, nema 34.

Category: Show Your Stuff

Have not seen you on youtube lately, but i fear that is the dreaded "algorithm", glad you are OK and still kicking. :)
  • PCW
  • PCW's Avatar
20 Dec 2024 18:09
Replied by PCW on topic QTplasma error

QTplasma error

Category: Plasmac

Looks like a hardware error.

Do you have a motherboard parallel port or is it a a plug-in card?
 
  • probotix
  • probotix
20 Dec 2024 16:54 - 28 Dec 2024 18:48
Replied by probotix on topic LinuxCNC on Raspberry Pi 5

LinuxCNC on Raspberry Pi 5

Category: Installing LinuxCNC

Nevermind
  • gardenweazel
  • gardenweazel's Avatar
20 Dec 2024 16:38
Replied by gardenweazel on topic Inconsistent values from Versaprobe

Inconsistent values from Versaprobe

Category: Qtvcp

I'll test this later this afternoon.

Thank you so kindly for assisting.
  • beauxnez
  • beauxnez
20 Dec 2024 16:11
QTplasma error was created by beauxnez

QTplasma error

Category: Plasmac

Hello,I can no longer launch Qtplasma, I have the following error message, thank you in advance for your help
  • zieluch
  • zieluch
20 Dec 2024 15:57 - 20 Dec 2024 16:01
Replied by zieluch on topic Inconsistent values from Versaprobe

Inconsistent values from Versaprobe

Category: Qtvcp

I am running into similar problem but maybe I found root cause. Need to do some more testing but please check below and share the result.

Can you please do the following:
  • M6 overwrite routine macro - On the tool change remove all the G43 command except one at the end after tool measurement., in my case it was m6 g43 on semi manual change
  • start linuxcnc
  • go to tool table and set in column Z =0 for probe and two random tools which you later test on example T1 and T2.
  • load probe m6 t99
  • go to object and measure it.
  • change to t1: m6 t1 with tool measurement
  • check if offset is correct if so try another tool t2
  • if T2 is ok now check other tools (one which has Z <>0 value in the tool table)
I have rack change for tools 1-5 and rest I am changing manually in the position. And I notice that the tools changed manually i was lading with M6 G43 in the tool_change macro. This causes error as I was changing G54 Z offset after loading tool. I need to make more test .

cheers
Michal
  • Elco
  • Elco
20 Dec 2024 15:43
Replied by Elco on topic New and Working RTAI debs for 2.9

New and Working RTAI debs for 2.9

Category: Installing LinuxCNC

I assume that this procedure does not work when starting with a clean version of LMDE6? I tried on several systems, but I get long lists with missing python modules and the grub menu does not work.

Regards, Rob
  • Teknic_Servo
  • Teknic_Servo's Avatar
20 Dec 2024 15:39
Replied by Teknic_Servo on topic Teknic Clearpath SDSK wiring to 7i96s

Teknic Clearpath SDSK wiring to 7i96s

Category: General LinuxCNC Questions

Hi fully_defined,In reviewing your drawing, we have a few suggestions and clarifications:
  • For the HLFB output: As long as the circuit has sufficient voltage (24VDC will work) and current, HLFB can be daisy chained as shown in our photo below. You’ll need to configure each motor to use the HLFB mode “Servo On”. In this configuration, if any individual motor has its HLFB go low, the “fault input” at the controller would also go low.
  • For the Enable input: All of the motors can be enabled together as shown. Note that with this configuration, you won’t be able to individually enable or disable any of the axes.
  • For ground lines: As it’s not stated in the schematic, note that you’d want to run all of the ground lines back to the controller and connect them together at the controller (you wouldn’t connect the grounds together at the motors or elsewhere in the cable run).
- Aaron B. Teknic Servo Systems Engineer
  • rebelx
  • rebelx
20 Dec 2024 15:01 - 20 Dec 2024 17:31
Replied by rebelx on topic linuxcnc 2.9.2 (live) on the intel n100 cpu

linuxcnc 2.9.2 (live) on the intel n100 cpu

Category: Computers and Hardware

I ran many tests on my N100 system with the latest official LinuxCNC distro (2.9.3), using the KDE Plasma desktop with Wayland, and these were the latency test results of the different Grub kernel parameter settings, while running two YouTube videos, 8 glxgears, and playing around with the system:

quiet isolcpus=0,1         max servo thread jitter= 46.7us
quiet isolcpus=2,3         max servo thread jitter= 14.6us   - Youtube playback interrupted
quiet isolcpus=1,2,3      max servo thread jitter= 11.3us   - Youtube playback severely interrupted
quiet isolcpus=3            max servo thread jitter= 24.5us

quiet irqaffinity=0 isolcpus=0,1         max servo thread jitter= 152.2us
quiet irqaffinity=0 isolcpus=2,3         max servo thread jitter= 17.5us   - Youtube playback somewhat interrupted
quiet irqaffinity=0 isolcpus=1,2,3      max servo thread jitter= 6.0us     - Youtube playback severely interrupted
quiet irqaffinity=0 isolcpus=3            max servo thread jitter= 13.7us

This last option gave me the best overall results. A responsive system and very decent latency. However, I noticed a few times a complete system freeze..... Oops..... It seems to me this is related to KDE and/or Wayland. I did some quick tests under XFCE, and the latency results really look quite different. I will do more extensive testing within the next few days with XFCE, and post the results here. I will also test with using the irqbalance daemon instead of using irqaffinity=0 parameter, which thus far gave me mixed but interesting results.
 
  • Aciera
  • Aciera's Avatar
20 Dec 2024 13:32 - 20 Dec 2024 13:33
  • abdulasis12
  • abdulasis12
20 Dec 2024 13:29

Skew correction/perpendicularity correction (millkins or millkins_xyz)

Category: Basic Configuration

Hi MR.Aciera
Thank you, for fast reply .
maybe I will use a lot time for learn it to combine code  it's new for me (java right ?) but I will try first. 

Thank you,
Asis
  • Onrddd
  • Onrddd
20 Dec 2024 12:59
Replied by Onrddd on topic New and Working RTAI debs for 2.9

New and Working RTAI debs for 2.9

Category: Installing LinuxCNC

Hi everyone, total noob here. I'm experinenting the linuxcnc. I have an asrock j3355b board. I'm planning to use it with parallel port. I tried to install debian and linux cnc 2.9.2 but I cannot solve the kernel issue. When I install debian 12 it comes with kernel 6.x.x and all the RTAI kernel and other stuff is for kernel 5.4. as I understand that kernel and RTAI packages needs to be same. How do you install debian 12 RTAI, please help or direct me to correct direction.
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