nsynthsuper

The OLED doesn't require any firmware itself, if it's connected and working then it should power up. Regarding the firmware, if you can hear a difference when you turn the...

Per the previous comment, it would be worth checking that the OLED is functioning correctly using an Arduino or other separate device. Following that, you should check for continuity and...

Thanks so much nanu-c – will leave this issue open for others to reference.

Try adjusting the attack and position controls – for shorter notes like the ones you mentioned, it's possible to set the start position of the note _after_ the initial attack,...

You should be able to send MIDI notes in sequences or manually from any DAW, keyboard, or sequencer; the device should support polyphony and fast sequences of notes without issue....

@jditte The image you mentioned is well tested with fast sequences, polyphony etc… using the RPi 3B. Good luck with your testing!