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'[EE] Source for keypads??'
2007\03\01@181852 by Jinx

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> The means to make above myself in such a way as to not look too
> home brew

Home-brewness will be in the cover sheet. Laminated looks good,
and you'd want to do that for wear and tear anyway

Tact switches with long actuators, cheap, (attached) or these DIY

http://home.clear.net.nz/pages/joecolquitt/0panel.html

Bought tact switch actuators generally (always ?) aren't transparent
but light could be sent up through a clear patch in the label. Ditto for
the suggestion on my site, although clear perspex does make a good
light guide


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2007\03\01@221119 by John Dammeyer

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Hi Jinx

>
> Tact switches with long actuators, cheap, (attached) or these DIY
>
> home.clear.net.nz/pages/joecolquitt/0panel.html
>
>
Nice approach with the wire through the button extension.

Here's what I've done with the Electronic Lead Screw project.
http://groups.yahoo.com/group/E-LeadScrew/



http://www.autoartisans.com/ELS/photos/Buttons.jpg

http://www.autoartisans.com/ELS/photos/ButtonExtension.jpg

http://www.autoartisans.com/ELS/photos/OneButtonSide.jpg

http://www.autoartisans.com/ELS/photos/OneButtonTop.jpg

Also check out http://www.shumatech.com/products/dro-350/index.htm

I bought one of the boards and overlays and parts and pieces just to get
an idea on how to build this up.  A friend and I also tried the Corel
drawing with an inkjet printer on the overhead transparency film
designed for inkjets.

We reversed the image so the ink was on the back side of the plastic and
right reading through the plastic.  We then spray painted white paint on
top of the ink after masking the LED areas.  Also,  using a program off
the net, I created the RGB values that matched the wavelength of the
green displays I bought and instead of going clear over the LEDs I used
that as a fill colour.  Came out quite nice.  The black has a little bit
of the striping that an inkjet does but over all usable.  Not as nice as
silk screen but for a one of....

I'll be trying that with the ELS too before I get silk screens done.

John Dammeyer


Automation Artisans Inc.
http://www.autoartisans.com
Ph. 1 250 544 4950



2007\03\01@224631 by Jinx

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> > home.clear.net.nz/pages/joecolquitt/0panel.html
> >
> Nice approach with the wire through the button extension.

Thanks. What I was trying to avoid was turning a whole lot of
little 'stove-pipe hats" as you've done (proficiently, I might add)

> http://www.autoartisans.com/ELS/photos/Buttons.jpg

I have a lathe and could've done that but a wire to string them
on so they can't fall out works well too

2007\03\01@234213 by John Dammeyer

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Hope you don't mind but I'd like to post your link to the E-Leadscrew
group.  It's a really good idea.

John Dammeyer


Automation Artisans Inc.
http://www.autoartisans.com
Ph. 1 250 544 4950


> {Original Message removed}

2007\03\02@004633 by Jinx

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> Hope you don't mind but I'd like to post your link to the E-Leadscrew
> group

Don't mind at all

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