Re: switch debouncing



It should work as long as you don't need to know the exact instant that the
switch operated.

--
Dan Hollands
1120 S Creek Dr
Webster NY 14580
585-872-2606
QuickScore@xxxxxxxxxxxxx
www.QuickScoreRace.com

"Mac" <foo@xxxxxxx> wrote in message
news:pan.2005.10.17.06.12.57.435873@xxxxxxxxxx
> Is there a standard or best way to de-bounce a switch?
>
> After googling for a bit, this seems to be a good candidate:
>
>
> VCC
> |
> \
> R1 /
> \
> /
> | Schmitt
> | trig inverter
> | |\
> +---/\/\/--+-----| >-- out
> | R2 | |/
> S1 \ = C
> | |
> --- ---
> GND GND
>
>
> R2 might be 18 k, and R1 82 k, with a 1uF cap as per this article:
>
> http://www.embedded.com/showArticle.jhtml?articleID=18902552
>
> Seems like it should work. Any comments?
>
> --Mac
>


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