Hello Iain, Pronanly not as difficult as you might think. I have several different types of MIDI encoders. Some as kits. I can provide DIY MIDI encoders and decoders. Perhaps even some Code. Vern, http://www.sound-research.net ----- Original Message ----- From: iain duncan To: Sent: Sunday, August 22, 2004 7:01 AM Subject: multiple 4x4 keypads to 16f877 or 18f452? > 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 > > -- > http://www.piclist.com#nomail Going offline? Don't AutoReply us! > email listserv@mitvma.mit.edu with SET PICList DIGEST in the body > -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body