At 04:03 AM 1/27/2011, Djula Djarmati wrote:
>On 27-Jan-11 06:52, PICdude wrote:
>
>Depending on your schematics a passive solution could work. (see attached)=
..
>
>Djula

Non-obvious but works well: replace one of the diodes with the=20
resistor used as the pull-up.  Eliminates one component.

dwayne

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Dwayne Reid   <dwayner@planet.eon.net>
Trinity Electronics Systems Ltd    Edmonton, AB, CANADA
(780) 489-3199 voice          (780) 487-6397 fax
www.trinity-electronics.com
Custom Electronics Design and Manufacturing

--=20
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