Re: EDP woes (debouncing)

[Matthias Grob <matthias@grob.org>]

>At 09:39 PM 1/7/2007, Bob Weigel wrote:
>>Hmm...radio shack.... I wonder how well the interface debounces?  I 
>>don't know the technical aspects of these yet as I haven't had to 
>>work on one.  But often on interfaces that aren't software debounced
>
>of course it has debouncing. Are there any mechanical switches that 
>don't bounce? I never encountered one... Debouncing switches is a 
>pretty basic digital interface requirement. I would be quite 
>surprised to find any device with a switch that wasn't debouncing it 
>somehow.
>
>kim

in fact there is a resistor/capacitor for HW debounce plus a SW 
debounce. They both could be stronger to support worn out switches a 
bit longer, but debouncing also slows down the speed of action, which 
is far more important for looping than for example for a program 
change...
-- 


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