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iomixer hats
Forum: General questions about usage
Last Post: iforce2d
07-31-2026, 05:02 PM
» Replies: 1
» Views: 130
Midi Out issue on linux
Forum: General questions about usage
Last Post: devin
07-20-2026, 08:51 PM
» Replies: 6
» Views: 1,193
Cant tick Com port
Forum: General questions about usage
Last Post: iforce2d
11-21-2024, 10:51 PM
» Replies: 12
» Views: 12,074
Supporting Remora?
Forum: General questions about usage
Last Post: iforce2d
11-01-2024, 12:06 PM
» Replies: 2
» Views: 3,950

 
  iomixer hats
Posted by: devin - 07-31-2026, 03:35 AM - Forum: General questions about usage - Replies (1)

I've published the project pages for my IOMixer HAT boards.
Project links:


These adapter boards let you use inexpensive STM32 development boards with the IOMixer ecosystem while remaining compatible with the IOMixer Configurator.

The goal of this project is to provide an alternative hardware platform for IOMixer using available STM32 development boards. The boards are designed for DIY assembly using commonly available through-hole components. The project pages include full details, including assembly information and design files.

I also have a small number of extra PCBs that I'd be happy to send to anyone in the USA who is interested in building one. They will be available on a first-come, first-served basis, so if you'd like one, send me a DM.

One thing to be aware of: a small hardware modification is required to support the IOMixer bootloader button. It's a simple change, and I'll explain what's required if you contact me about a board.

I'd love to hear any feedback or suggestions!



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  Midi Out issue on linux
Posted by: devin - 05-13-2026, 07:58 PM - Forum: General questions about usage - Replies (6)

I'm running into an issue with midi out support.

See the configuration below, as simple as I could make. I can see the onboard led change when I press the user key button on my board. I can also see the live values reflect what I expect.

What I know:

  • Seem to only have issues with Linux (have successfully run it on windows) 
  • Can see the midi device on Linux ( list in terminal 'amidi -l' and can see the device on https://hardwaretester.com/midi )
  • Cannot see any events on the bus

What I have tried:
  • Have tried both channel 0 and channel 1
  • Have tried a few indexes

Maybe it is some Linux permission issue? Not sure.

Running:
Board: Homemade FrankenBoard based on this dev board: https://stm32-base.org/boards/STM32F103R...103M2-V1.0
Bootloader: xperimental/8MHz 1.5
Firmware: xperimental/8MHz/ 1.5



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  Cant tick Com port
Posted by: Kermets - 11-18-2024, 05:43 AM - Forum: General questions about usage - Replies (12)

Hay there Chris, Im not able to tick the port 13 box on left looks like its greyed out ?

using waterfox which is the same as FF

Cheers Brett



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  Supporting Remora?
Posted by: mdroberts1243 - 10-31-2024, 05:08 PM - Forum: General questions about usage - Replies (2)

Hi,

Is Remora ( or equivalent ) supported for LinuxCNC?

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