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Re: Flexible Numeric Keypad

Actually, waterproofing wearable computers is probably the hardest thing to
do, yet the most important.. I would hate to have a $3k system out in the
woods, collecting data, while it starts to rain..

> I didn't intend to imply that you would stick your electronics in water.
You
> would mold the plastic, then _take out the electronics_, and dip the
plastic
> in water. You could then sandwich the internals between two (or more if
> necessary) plastic layers and attach the two with adhesive or screws.
> However, this may be too difficult for you, so you may wish to stick with
> the latex.
> -Mel
>
> -----Original Message-----
> From: John Tregidga [mailto:]
> Sent: Tuesday, October 02, 2001 9:10 PM
> To: 
> Subject: RE: Flexible Numeric Keypad
>
>
> I don't think so Mel,  "...dip in cold water to set.."  does not sound
like
> a great idea for electronics.
> Nice try though. :-)
>
> Cheers
> -=JT=-
> At 04:54 PM 10/2/2001 -0400, you wrote:
> >What about trying "Friendly Plastic"?
> >See http://www.jewelbay.com/EJS/friendlyplasticsindex.htm
> >You can get it at a craft store. It's moldable, easy to use plastic.
> >Good Luck!
> >Mel
> >-----Original Message-----
> >From: John Tregidga [mailto:]
> >Sent: Tuesday, October 02, 2001 11:34 AM
> >To: Melanie McGee
> >Subject: RE: Flexible Numeric Keypad
> >
> >
> >Hi Mel,
> >
> >Yes, you are right, but the thin plastic sheet with the contacts is
bonded
> >between a hard protective outer layer and
> >a thin metal back plate. I could use it like this, but need to
"repackage"
> >the keys and the press technology. That
> >is the challenge.
> >
> >Cheers
> >-=JT=-
> >At 11:02 PM 10/1/2001 -0400, you wrote:
> >
> > >Hi John,
> > >If you open up the Adesso, you are likely to find a thin plastic sheet
> (I'm
> > >not 100% sure on this, but it's worth a look). The sheet is what the
keys
> > >hit as you press on them - it is an unpackaged keyboard. What I would
try
> > >would be to repackage that sheet so that it suits your needs. I should
> warn
> > >you though that although repackaging isn't necessarily technical, it
can
> be
> > >quite a task.
> > >-Mel
> > >-----Original Message-----
> > >From: John Tregidga [mailto:]
> > >Sent: Monday, October 01, 2001 11:00 PM
> > >To: 
> > >Subject: Flexible Numeric Keypad
> > >
> > >
> > >Hi All,
> > >
> > >I'm not tech savy enough to create it, but I know the project is pretty
> > >simple. Here is what I want to create
> > >1.) Flexible and thin (membrane) numeric keypad. Small
> > >
> > >2.) connects to my libretto through either the PCMCIA /USB converter or
> > >port rep serial or PS/2 jack
> > >
> > >I've got a nice ultra thin Adesso 17 key keypad, but the buttons stick
up
> > >to high (and its low profile) and
> > >its keyclicks are louder than I'd like.
> > >
> > >What would be ideal is a small cell phone or calculator keypad. Soft
> rubber
> > >keys and basically silent.
> > >Once removed from the housing it would be somewhat flexible and low
> >profile.
> > >
> > >Does anybody out there have any ideas or help on this project??
> > >
> > >What would also work for me would be a cut down version of those
> > >"flexible/waterproof" keyboards.
> > >
> > >Cheers
> > >-=JT=-
> >
> >-----Original Message-----
> >From: John Tregidga [mailto:]
> >Sent: Tuesday, October 02, 2001 4:56 PM
> >To: 
> >Subject: RE: Flexible Numeric Keypad
> >
> >
> >Nice idea Andrew.  I suppose I can find that at a craft shop of some
kind.
> >That might just work! ;-)
> >Thanks
> >At 04:29 PM 10/2/2001 -0400, you wrote:
> > >[deletia]
> > > > Here's my new question:  How can I cover this whole assembly?  I was
> > > > thinking of that plastic contact film used for sealing photo's but
> that
> > > > won't work well over the rubber keys.  Any ideas??
> > >[rest deletia]
> > >
> > >Hi John,
> > >
> > >How about liquid latex?  You can paint it on in layers as required and
in
> > >the colours you want, and it's definitely water-proof.
> > >
> > >Andrew.
> > >
> > >--
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