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Multitouch Table Progress

by Michael Park, Treasurer on April 8, 2011

in Info,Showcase

CIMG8644aI happened to catch Nick and Budi working on the multitouch table yesterday.

Apparently just before I arrived, Nick had drilled dozens of holes into acrylic strips. The strips will surround the glass surface and infrared LEDs will be mounted in the holes.

CIMG8642aIn the foreground of this picture you can see one of the strips. Nick is holding a test piece; he just soldered in a couple of LEDs to make sure the acrylic wouldn’t melt from the heat.

Check our wiki page for more info.

{ 4 comments… read them below or add one }

Jonny Fosnight April 8, 2011 at 2:14 pm

I made a touch table much like you guys are.  If you need help just shoot me an email

Budi Mulyo April 9, 2011 at 3:00 pm

Hi Jonny,
Would you have time to come next Thursday, 1-3 pm to give us pointers on multitouch. You could check out our progress on our wiki. We still need to find a projector that fit, put everything together, and program it. Btw, what is your email address?

Jonny Fosnight April 10, 2011 at 6:54 pm

Hi,
I live in Kansas, so I can’t come out ;)   But I could certainly give some help and tips.  I built the touch table as part of display table for a high-school Robotics competition.
I noticed on the wiki you didn’t have a material picked out for the stuff on top.  I used a piece of Vellum (also called drafting paper), that I got from a friend’s parent who happens to be an architect.  (I also tried using some I got from a store (Hobby Lobby) but the quality was different.)  But it is more complicated than just a single piece of vellum, it requires extra steps.  I also have some info about webcams and what is typically used for projects for this.
I also programmed all of the GUI stuff we ended up using on the table.  (It wasn’t anything real complicated though, and it used a program called PYMT as the base.)
I found most of my information on this website (http://nuigroup.com/forums/) but it takes a lot of combing through to find what you need.
My email is JFosnight (at) gmail.com
(I assumed since i had to have an email to post a comment that you might be able to see it)

CelestialProphecy April 14, 2011 at 12:46 am

Nice tips. Thanks Jonny. We are making progress, and I’ve just updated the wiki page. We’re still lacking a projector. Any thought on that?

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