[sdiy] DIY MIDI clock to sync pulses

[Roy J. Tellason]

On Wednesday 16 August 2006 10:06 am, m.bareille at free.fr wrote:
> >As Bareille specifies a non-existant 8-pin 4N28
> >I have also tried some true 8-pin optocouplers, just to see if
> >the output signal might be slightly different, but no luck.
>
> I do not specify anything for the opto :) You can use any "MIDI compatible"
> ones 4n28 is not non-existant :) may be a little bit obsolete nowoday ? No
> problem to replace it by something better like the classic 6N137/138 if you
> prefear. Please be sure your MIDI wires are not reversed. If your opto is
> dead, the Midi clock wont pulse too...

If any of you guys are looking for some optos,  I have *way* more on hand here 
than I'm ever likely to use...

For specific counts and numbers,  etc. look here:

http://mysite.verizon.net/rtellason/w4s.html

and user your browser's search function (usually ctrl-F) to look for 
"optoisolators".

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