Analogue-sequencer

Hi Mag,

> confusing is that there seems to be data sent thru the midi port (led
test),
> but possibly not midi data. i showed the circuit to a friend, he was
lookin if everthing
> is soldered right and he told me that everthing should work from the
hardware site.

Are you sure you have pins 4 and 5 wired round the right way on the midi out
jack ? I've done this wrong myself before, so it's not impossible.

> is it because there are some chips faster than wanted?
> could it be the programm on CPU.
> any more tips?

The CPU doesn't depend on any other chips to send the midi data, so that
can't be the problem. If there was a problem with the firmware, you would
get a checksum error on boot.
Does it sync to incoming midi clock OK ?
One small possibility - have you got the right value of resistor (220 ohms)
in the output line ?

Cheers,
Colin f



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