Almost OT: Pushbutton switch latching
Mr Ian Primus
ian_primus at yahoo.com
Wed Dec 5 19:11:35 CST 2007
--- woodelf <bfranchuk at jetnet.ab.ca> wrote:
> Chuck Guzis wrote:
> > On 5 Dec 2007 at 16:35, Mr Ian Primus wrote:
> >
> >> The main thing I'm trying to achieve is
> simplicity.
> >> Nothing fancy. No PIC's, no microcontrollers,
> etc. I
> >> initially thought of using flip flops and a bunch
> of
> >> inverters to reset all the non-selected flip
> flop, but
> >> couldn't work out in my head a good way to do
> it... I
> >> hadn't taken switch debouncing into the equation
> - but
> >> aren't flip flops commonly used to debounce
> switches
> >> anyway?
> >
> > How about an 8-position rotary switch?
> and skip the FF's ... all manual :)
Yeah, I thought about that. But then I'd have to find
a rotary switch with the proper number of positions...
And besides, what's the fun in that? I also wanted to
be able to use an arbitrary number of inputs. Eight
was just an example :)
-Ian
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