MATRIXSYNTH: Big Button trigger sequencer MIDI upgrade

Friday, January 01, 2021

Big Button trigger sequencer MIDI upgrade


"Get the firmware and schematics here:

I modified the Look Mum No Computer big button sequencer that I built to sport MIDI input and thru, as well as a new "shift" button that adds some new sequencing features to the front panel, like mute, solo, bank/all and roll. Now I can use it as a MIDI-to-gate converter or program sequences on top of any existing rhythm.

It's a somewhat complex but not super hard mod that just requires a small daughterboard to isolate the midi input signal with a 6N138 optoisolator and support circuitry. The inside is a mess of wires but it's great to be able to sync it up with my other gear."

See the extralife label below for more.

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