Peter,

On Sun, 1 Jan 2006 20:20:58 +0200 (IST), Peter wrote:

> 
> 
> On Sat, 31 Dec 2005, Wouter van Ooijen wrote:
> 
> > The ganssle document is nice, but it does not mention down-state
> > bouncing.
> 
> Down state bouncing seldomly occurs with new keys. It happens with 
> 'rubber' keys and oxydized contacts or weak springs.

Right, but if you rely on that you are building obsolescence into your software, since mechanical switches do 
change as they age, but are still usable even with a noisy signal if you debounce properly.

Cheers,


Howard Winter
St.Albans, England


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