MIDI sequencer

Hello I search for circuit for project like this. about 20 buttons and 12 leds+4 potentiometer

http://blog.makezine.com/archive/2009/06/standalone_midi_matrix_sequencer.html

or

http://blog.makezine.com/archive/2008/03/arduino_midi_sequencer.html Thanks

Check the links on this page. It's not a sequencer (yet) but it it's the midi part already. I'm working on a similar project myself.

http://kaos.ashrae.be/research/arduino-midi/

for a sequencer take a look at this (but no midi in this one)

http://kaos.ashrae.be/research/sequencer/

both are in research phase, so unfinished. Maybe you can blend them together. I will when I have time :) It's not much, but definately a start

cheers K