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  • Tim Bee
19 Aug 2026 16:24
Replied by Tim Bee on topic LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)
Dear meister：

The CARROT BOB sch is in attachments.

I build it for my hobby mini mill machine in my bedroom.
I think it's not very good just like my English,and I don't know how to send it to you,you are live so far with me.
I'm so happy you like it , if you know the way, I'll send it to you for free


Tim



 
  • cmorley
19 Aug 2026 15:58
Replied by cmorley on topic QTDragon 5-axis trt
well if you are using linuxcnc 2.10 (master branch) 5 axis qtdragon is available.

Otherwise Jim usually looks through Qtvcp forums so will see it and answer.
Or you could message him thru github:

github.com/persei802/QtDragon_hd
  • rock861261
19 Aug 2026 12:18
A6 1000w troubles. was created by rock861261
I purchased the 1000w a6 servos and followed the thread using the posted xml and hal files. I can get the servo to show its position n linuxcnc however I can't get it to power up. it sits in a 88nr state and can easily be turned by hand.
  • viewsat
19 Aug 2026 11:59
Replied by viewsat on topic LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)

@viewsat do you have some more informations about the DrDirt - Carrot Bob board ?
documentation, pinouts schema's or so, or a contract mail to the seller/developer,

I’d like to add it to Rio-Flow and still need a bit more information to do so.
I have a json file that I can provide; other files may not be publicly available for download here.
 

File Attachment:

File Name: carrot.zip
File Size:2.37 KB
  • Todd Zuercher
19 Aug 2026 10:15 - 19 Aug 2026 10:35
Replied by Todd Zuercher on topic Unlimited custom outputs?
I had posted one of my configs before that uses this for M101, M102, M111, and M112. The commands are for opening and closing a series of fixturing clamps (6 air solenoids) on each side of the machine. M101 and M111 are for closing the work holding clamps (left and right side respectively) in a sequence to help correctly position and hold the parts to be milled.  They use both a P and Q variables (P sets the clamping value and Q an unclamping one.) The clamping sequence can also be changed depending on another parameter variable for different parts. M102 and M112 are primarily for opening the clamps to release the parts and only use the P variable, but depending on the P variable used, can also open or close any array of the clamps immediately without any sequence. All of these M-codes write the appropriate integer value to the appropriate Hal signal name (left-clamp-fl or right-clamp-fl) that then feed the Hal pins that make the magic happen.

Here is a link to the config.
forum.linuxcnc.org/media/kunena/attachments/3190/TwinCNC.zip
  • meister
19 Aug 2026 10:11
Replied by meister on topic LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)
@viewsat do you have some more informations about the DrDirt - Carrot Bob board ?
documentation, pinouts schema's or so, or a contract mail to the seller/developer,

I’d like to add it to Rio-Flow and still need a bit more information to do so.
  • Aciera
19 Aug 2026 09:37
Replied by Aciera on topic Cutter compensation G41/42
You might also want to read the relevant documentation (see chapter 4):
linuxcnc.org/docs/stable/html/gcode/tool-compensation.html
  • Aciera
19 Aug 2026 09:31 - 19 Aug 2026 09:33
Replied by Aciera on topic Probe Basic Cutaway
I have a vtk version of vismach that offers a  feature to show/hide certain objects. Maybe that helps to come up with an idea:

 

github.com/Sigma1912/vtk-vismach

Model groups:
Each object of a model can optionally be assigned to a group. The assignment method can be called
on an existing object (2 lines of code)
Example 1: 'work_piece = Box(600,600,600)'
'work_piece.set_group('work')'
or the object can be created and the 'set_group' method called in one line.
Example 2: 'ReadPolyData('work_piece.stl', path_stl).set_group('work')'
Vismach will automatically create a checkbutton to show or hide each group used in the model.



Outline of my solution:
Each object in the model has a simple class variable 'group'.
When the window is created a checkbox is created for each group found in the model.
In each update cycle the objects with the matching 'group' variable value are shown or hidden according to the relevant checkbox state
Note that the vtk 'SetVisibility()' method did not seem to work for me so I use 'item.SetScale(0,0,0)' to hide an object:

Code:
class ModelGroups(object):     def __init__(self, model):         self.groups_in_model = {}         self.get_groups(model)         self.has_groups = len(self.groups_in_model.keys()) > 0     def get_groups(self, objects):         for item in objects.GetParts():             if hasattr(item, 'group'):                 if item.group:                     if item.group in self.groups_in_model.keys():                         self.groups_in_model[item.group].append(item)                     else:                         self.groups_in_model[item.group] = [item]             if isinstance(item, vtk.vtkAssembly):                 self.get_groups(item)     def update(self, checkboxes):         # SetVisibility does not seem to work on modifier objects so we use Scale         for group in self.groups_in_model.keys():             for checkbox in checkboxes:                 if checkbox.objectName() == group:                     if checkbox.isChecked():                         for item in self.groups_in_model[group]:                             item.restore_scale()                     else:                         for item in self.groups_in_model[group]:                             item.store_scale()                             item.SetScale(0,0,0)   
  • meister
19 Aug 2026 07:47
Replied by meister on topic LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)
@viewsat you can tune the PC817 with lower resistance values on the transistor side, this produces a steeper slope
  • viewsat
19 Aug 2026 07:30
Replied by viewsat on topic LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)
Dear meister, after adjusting the joint and pid values ​​correctly, I observed the DIR circuit of the DM542 with an oscilloscope and found that the PC817 was delayed by more than 60 usec. Setting dir_delay to 80 usec allowed it to correctly return to the zero position. I apologize for asking some silly questions a few days ago.
 
 
  • meister
19 Aug 2026 06:09
Replied by meister on topic LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)
only in dev branch:

  • soehlrich
19 Aug 2026 05:13
Replied by soehlrich on topic Qtdragon_hd Zero button not zeroing
I have just upgraded to 2.9.10 and still get the same error. Has anyone had any joy with this ?
  • sticky
19 Aug 2026 00:27
Replied by sticky on topic Unlimited custom outputs?
I would like to use M codes. I had not considered using variables to increase the number of outputs. Is there an example of that available on the forum?
  • sticky
19 Aug 2026 00:19
Replied by sticky on topic Unlimited custom outputs?
I would like to activate them from g-code.

Why 7i73? I used a Mesa Card Configurator and it showed multiple 7i73's but you are right, the 7i72's would be better.
  • TelegramSam
18 Aug 2026 21:59
Replied by TelegramSam on topic Probe Basic Cutaway
I'm working on the same project.

The goal would be to show and hide portions of the machine visualization, based on what this thread describes:

forum.linuxcnc.org/qtpyvcp/56945-qtpyvcp...led-into-one?start=0

We have the machine showing, but would like to be able to have buttons show and hide portions of the machine - say one stl in the yaml config file.

Any help that can move us forward?

 
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