Via the Little-Scale blog is this Teensy-based project which features 12 gate outputs that are set using note messages over USB MIDI.
Each note in the scale (C, C#, D, D# etc) corresponds to a gate output labelled G1 – G12, and will set high from a note on message and low from a note off message.
If a USB MIDI clock sync is sent, Gate 12 will output a short trigger upon sequencer START or CONTINUE. Gate 11 will output a sync signal at a rate of 12PPQN. Gate 10 will output a sync signal at a rate of 16th notes. Gate 9 will output a sync signal at a rate of 8th notes.
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