Analogue-sequencer

Previous discussion of the opto-isolator issues can be found in 
message #995
http://launch.groups.yahoo.com/group/analogue-sequencer/message/995

Cheers,
Colin f

> Is this where I put my head above the parapet and wonder if it's a
> problem with the opto biasing again? Perhaps 6N139 was working
> on the edge before when Robert successfully did sysex loads on this
> unit.

Which reminds me, I'll need to update the construction notes with the
findings I had about the resistor values around the opto...
The bias resistor sometimes causes problems, and removing it can make it all
work nicely. There's a message in the archives about it.

Cheers,
Colin f



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