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FTIR Multi-Touch Surface
Matthew Hagerty, Jun 2006 (http://digitalstratum.com)
Work in Progress.

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I'm currently not having much luck frustrating the infrared light bouncing around in my acrylic.

Test LED's

Cobbled together, but it should work for the test.


Polished Edges

I'm hoping these are polished enough?


Test Setup

I'm trying test the FTIR effect with 3 LED's and the camera in close proximity.


LED Specs

Detailed specs for the LED's I'm using. They may not be strong enough?


Visible Light Test

A single visible light LED at the bottom easily lights the top edge.


LED Test

LED's facing the camera.


Finger Test

Finger *not* causing internal frustration.