One simple ESR meter uses a 555 timer chip and an LF353 opamp and a DVM
display. T.J. Byers has an article showing this in the Aug 2000 issue of
Nuts & Volts. Another kit version is at the link below.

http://www.flippers.com/esrktmtr.html
Rick



"A.J. Tufgar" wrote:

> Lately I've started to fix a few pieces of electronics equipment and I'm
> =
> realizing an ESR meter would be very useful.  ;)  I'm doing it at home =
> and not for a buisness, so I don't really want to purchase a meter so =
> I'd like to build one.  I was wondering if anyone has a plan for one?  =
> Or if anyone has a good explaination how it works?  I looked around the
> =
> net and they're all kits, but the concept seems so simple and would be =
> dead easy with as pic say 12C518?
>
> Thanks,
> Aaron Tufgar
>
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