I need to send specific bytes over USB/MIDI. How can I accomplish this?

I want to program a midi controller with an Arduino. But first, I want to test how I have to send the messages.


The amidi tool allows you to send arbitrary MIDI commands. For example:

amidi -l                                # find out what the port number is
amidi -p hw:42,0 -S "C0 65 90 30 7F"

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