I am a newbie to pics and electronics, though I have no problems with
assembly programming. I get much more confused by what's going on
outside the pic. I would like to interface four 4x4 keypads to one chip
that will also do midi output, which i guess means multiplexing of some
sort, is this likely to be a terribly difficult project? Can anyone tell
me what other parts I will need to get more than one keypad into the
pic, or point me at any good resources for this? Is there anyone on here
who might have made a keypad-to-midi controller?

Also, will it be possible in such a situation to write the firmware so
that it can accept multiple simultaneous keypresses across the pads, or
is that reall hard?

Thanks
iain

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