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Latest Threads
Firmware release v0.1.6
Forum: Announcements
Last Post: devin
09-29-2026, 07:59 PM
» Replies: 1
» Views: 112
'Logstream' utility
Forum: Announcements
Last Post: iforce2d
09-22-2026, 03:13 AM
» Replies: 0
» Views: 101
iomixer hats
Forum: General questions about usage
Last Post: iforce2d
07-31-2026, 05:02 PM
» Replies: 1
» Views: 665
Midi Out issue on linux
Forum: General questions about usage
Last Post: devin
07-20-2026, 08:51 PM
» Replies: 6
» Views: 2,028
Cant tick Com port
Forum: General questions about usage
Last Post: iforce2d
11-21-2024, 10:51 PM
» Replies: 12
» Views: 13,375
Supporting Remora?
Forum: General questions about usage
Last Post: iforce2d
11-01-2024, 12:06 PM
» Replies: 2
» Views: 4,477

 
  'Logstream' utility
Posted by: iforce2d - 09-22-2026, 03:13 AM - Forum: Announcements - No Replies

I made a page that uses WebSerial to read and write values from the 'Log output' and 'Log input' nodes. This requires a USB-serial adapter and UART pins on the iomixer (not the regular USB connection). 

https://iomixer.com/logstream

   

The inputs (coming from iomixer 'Log output' nodes) are updated in real-time and displayed as numbers, UI elements and on a graph. Outputs (received by the iomixer as 'Log input' nodes) can be controlled in real-time. 

But the main purpose of the page is to allow more complex behaviors via scripting. You can write a script in JavaScript to get and set values of nodes at up to 50Hz for 32 values each way. There is a code editor with compile error highlighting. All regular features of JavaScript are available plus a few custom functions related to the interaction with iomixer. For now the goal was to have a highly interactive mini-IDE kinda thing, but it could be tidied up a bit into an API of sorts if people want to make their own more custom dashboard/control panel.

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  Firmware release v0.1.6
Posted by: iforce2d - 09-22-2026, 02:34 AM - Forum: Announcements - Replies (1)

Download here: https://iomixer.com/releases/firmware/v0.1.6

Changes:
- improved speed of 'Upload+write' by about 10x
- 'Memory used' value changed to 'Untouched memory', with better measurement (actual stack - heap margin)
- Log input node: value type 'Field' option separated into float/color/int32 options
- serial number in USB descriptor now includes suffix like -C, -CG, -CM to differentiate same device running with different USB class (VCP, VCP+gamepad, VCP+midi etc). This helps Windows to apply the correct device drivers after switching between USB classes.
- separate builds for different RAM specs (previously the F103RE boards with 64kb were only utilizing 48kb)

I have removed the 'xperimental' section which was only being updated sporadically, and will now include the 8MHz and blue-pill builds in the main folder as a matter of course.

Firmware files will now be named in more detail to reflect their content, eg. iomixer-512kb-64kb-12MHz-0.1.6.bin

Bootloader files rarely change so have been removed from the per-firmware release folders, will be kept separately at: https://iomixer.com/releases/firmware/bootloader

The 'both' files are no longer being provided. These were just a concatenation of the bootloader and main firmware that is convenient when you're flashing a whole bunch of boards at the same time.

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  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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