I think that a momentary switch (hand or foot pedal variety) that supplies 5V from a 9V
battery will be fine.
So 9V battery, 7805 regulator, switch and box.
Maybe other refinements could be added but it should work that simple.
Fernando
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>
> What would it take to get a momentary footwitch to generate a trigger, as in advancing a
> sequencer (SEQ or TKB) ?
>
> Thanks
> jmr
>