Hi all - A friend was looking at a recent magazine article (Nuts &
Volts?) and wants to build a Capacitance measurement unit;  The
schematic I was looking at has some limitations, in the range of
capacitance measurable IIRC.  He wants to be able to measure up to
larger values, and is dyslexic so can't reliably read cap. codes (and he
does antique stuff so I think he's after the old electrolytics in power
supplies, so needs ability to measure 2500 uF or more.)

  Anyone have a PIC box designed that does this sort of thing?
(Intelligent pre-scaling of the capacitor range, then C-to-V conversion,
display to a $8 DVM module, would be great.)  He's buying <G>  (I could
use an inductance unit early next year, pretty much the same problem
really, but from the other side.)

  I don't really have time to help him - and the schematic he has won't
do what he needs - so I said I'd ask & see what's out there.  (He
doesn't like my ideas for work-arounds very well, but doesn't want to
learn enough to do it himself, either.)  I'll build it for him if we can
find something out there...

  Last schematic other than that on this project type I can remember was
in Nuts & Volts in (?early?) 1995? or so.  But I may have erased holes
in my remembery here <G>

  Mark Willis, mwillis@nwlink.com