Making a DIY midi Box

I have an app in supercollider for manipulating my sampler with midi. You don’t really need to use supercollider. I just need a good platform that helps me build a box with buttons and sliders that can send midi. What is the go-to Platform for that? Is it Arduino?
Or Is it raspberry Pi
Or is there something new on the block I don’t know about? Where are people going now for that sort of thing. Thank you

Both should be fine, depending on your exact needs.

Arduino isn’t a computer, so there might be some work to do to send proper MIDI commands (I suppose there exist some chips designed to send MIDI informations, you would need to interface them properly with the Arduino).

RPi is just fine, it has USB and wifi, it is a computer, so I guess it’s easier to do.

This is probably overkill for your project, but there used to be a dedicated board, Axoloti, kind of a ‘Music Arduino’, that would handle MIDI out-of-the-box. I’ve never tried it tho, and it would seem it isn’t produced anymore… But I found a clone of the project, maybe worth a look ?

EDIT: after second thought, I suppose the Arduino can send MIDI messages directly through its USB port, so it might be the cheapest and easiest solution. Maybe look at this MIDI controller tutorial.

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Thanks.
Wish there was an online builder for custom midi boxes

I’ve heard good things about https://yaeltex.com/