Hard hard user interfaces.

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Started as someone doing ActionScript in Macromedia Flash I got into Human-Computer-Interaction after watching Jeff's Hann's multi-touch work. That's the power of a really cool demo that inspired the birth of NUIGroup community which spawned 1000s of makers all around the world making their own projector camera multitouch systems. All of it became mainstream once Apple released the iPhone to the world, and also gave birth to my interest in human-centered engineering. I spent some 10 years after that playing with sensors, haptics, and gestural interfaces through multiple input modalities but nothing stuck as much as multi-touch did. Thanks to Apple's execution. Everyone's phone/tablet interaction is default multitouch. (unless you have a visual impairment). Primsense evolved into Kinect, then came Wiimote, Leap but nothing stuck.  for speech, it was Amazon's Alexa. Latest news , that its going to lose Amazon 10B.  Like I am writing this post through my keyboard a...
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The CAD Designs for the table

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The problem we faced- We experimented with a variety of Projectors from the college's computer lab, we found Mitsubishi XD490u fitting best to our 16:9 needs and the setup alignment. However, we couldn't afford it, so had to get it issued from the Computer Science engineering Dept. of our college. Although college projector couldn't be availed everytime we need to present the table outside the campus, so we got a task at hand- Making the Multitouch table in a manner that any projector could fit up neatly inside.

See the rails in green, now any fitted in projector can move to and fro, forward-backward (n-1 degrees of freedom) . The yellow base supports the projector using a shoe-strip holder, Good thing! we could now fit in any projector we wanted to :-)

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