Analogue-sequencer

> > yup, it's on a header and the PSU *is* center positive... is it really
> > that simple? just flip the header around? geez...
>
> Just a thought, is the power supply outputting DC or AC?
> Not all 'Wall warts' output DC. I can't see how you're getting -9v on the
> diode.

AC would be OK - the diode will act as a half-wave rectifier.
I think the -9v DC Fred's seeing is what should be the 0v line - he'll have
the +9v line connected to the 0v input, so the +ve input will be 9 volts
below.

Cheers,
Colin f



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