I built a Jacquard Loom that is controlled from an iPhone. It's built from laser cut plywood, and 3D printed parts. I've open sourced all the design files and software. This isn't really a how to, but more of a "this is what I've done so far".

You can read more about the build at:
https://retrotechjournal.com/2019/06/...

You can also look at all the code/designs at:
https://gitlab.com/electronicsnufkin/...