are you sure you've not misunderstood what i mean with "Clock"? I've just seen your video.
What i need is a costant midi signal (like metronome).
You know, when you use different software in rewire you have a master and a slave. The master give the time BPM (i.e. 120 BPM) and the slave (i.e. a drum machine) plays at 120 BPM too. If you change the master in 125BPM also the slave changes.
I have found this one:http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1274164548
(only Midi clock generator)
but this forum is dismiss...