[rescue] Old PSUs & boards: useful to teach self?

[der Mouse]

> I did, however, once use alligator clip leads to build a voltage
> multiplier driven off mains voltage with caps of some .475F, building
> up something like 700V.  Then I neglected to discharge a cap when
> removing it.  Then I picked it up carelessly. :-)

Grr.  I keep forgetting about the list's high-bit stripping.  That 5
was a Latin-1 "mu" when I sent it - I was not working with half-farad
caps!  (That would *really* pack a wallop...how big would a .47F 700V
cap have to be, anyway?  Five litres?)

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