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TRKBRD surface touchpad puts your weekend DIY project to shame, probably

Ross Miller
August 23, 2009
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It may not seem like much from this video, but Malmö University graduate student Rob Nero has assembled himself a surface-based touchpad using all Arduino products and "simple Algebra." Dubbed TRKBRD, the device uses hyper-fast flashing LEDs and IR sensors to calculate the XY coordinates of the shadow, and subsequently the finger itself. We haven't seen it hooked up to a computer just yet, but we hope there's more to come. Videos of the successful trial run and some preliminary testing and wiring after the break.

[Via Make: Online]

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