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I want a Raspberry Pico acting like a Yamaha QX21
What I realise I want is a Raspberry Pico pretending to be a Yamaha QX21
Basically a play-out midi sequencer, not necessarily able to edit much on the box itself, just trigger and run and whatever else the QX21 offered (which was effectively the end of that lineage from QX7, QX5, big QX1 etc)
The idea is for live performances (either out in the outside world, or in the comfort of the home) so that the box can be just loaded up with either a midi file or suck in midi input across a port, and on the day it can just play them out. Nothing complicated possible, just basic MIDI playout, easy, visible, unambiguous
More than one of these boxes could be used for more than one musical part, eg one for bass, one for chord backings, etc
Or more than one of these boxes could be used for sections like verse, chorus, etc
Or combinations of the above
Or, have one box drive the whole thing from 16 parts of an entire song MIDI in the same way the QX21 could do
Does anyone know of an existing project like this? I’ve looked and can find nothing that basically fits into the job of emulating a QX for playout – there’s plenty of step sequencers, but nothing quite like this
Comments
That would be really fun to program with MicroPython and not hard to wire up. I wish I had the time.
I have no idea if the CPU in the QX21 is anything to be emulated on a Pico but if it is, it might even be an option to run the original QX21 firmware on the Pico.
I notice that there is a tiny JavaScript runtime for RP2040 (Raspberry Pi Pico)
https://kalumajs.org/
If you are flexible about platform, Espruino has a lot of tiny IoT gizmos that are programmable in JavaScript. Most come with a battery and low-energy Bluetooth (BLE).
For example, I think a Puck.js could do it, or look cool trying:
https://www.espruino.com/Puck.js
I am credited with helping develop the BLE MIDI support:
https://www.espruino.com/BLE+MIDI
I didn’t intend to actually program it – that’d be far too difficult and probably wouldn’t work, I was intending to find a project that had already been done