Lawrence Lile wrote:

> Ok, so this time it doesn't have a PIC in it.  But my prototype IS on
> the same table as my ICEPIC, so it's remotely related.....

> I'm having trouble with an electrolytic capacitor ... It is in an RC
> timing circuit, so a change in capacitance is a problem.

  Timing circuit ... long time constant ... stability  ...

  Isn't it just *so* obviously time you put a PIC in it and made it work
simply and reliably first off?
--
  Cheers,
        Paul B.