I've actually thought that for a while, just in terms of
corrosion.  Unfortunately I've felt that any foray into AC would put me
way, way out of my knowledge depth.  I'd certainly welcome any suggestions
as things to mull over and incorporate in a later generation of this device.

At 03:46 PM 6/14/2004, you wrote:
>You need to run AC not DC through the probe if your looking for
>reliability
>
>-----Original Message-----
>From: pic microcontroller discussion list
>[mailto:PICLIST@MITVMA.MIT.EDU] On Behalf Of Dave Dilatush
>Sent: Monday, June 14, 2004 11:22 PM
>To: PICLIST@MITVMA.MIT.EDU
>Subject: Re: [EE:] Oscillation on comparator circuit
>
>
>mike wrote...
>
> >I am trying to use a LM339 comparator to tell me when two probes are
>shorted by water.  I have one probe connected to Vs
>
>--
>http://www.piclist.com hint: To leave the PICList
>mailto:piclist-unsubscribe-request@mitvma.mit.edu

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads