Reactive LED Coffee Table

Reactive LED Coffee Table - Arduino 2

Июнь 21, 2013

Completion of a project. Two 24" x 26" boards (pegboard) filled with 818 blue LEDs, 160 IR emitters, and 190 IR receivers. All organized into 190 "nodes" and powered by two Arduino micro-controllers. I built the coffee table and sized the inner cabinet to accommodate these pegboard reactive surfaces. The array of white lights that you see when there are no blue LEDs on are the infrared (IR) emitters. This portion of the light spectrum is invisible to the naked eye, but digital cameras can pick them up. Simply: in person, you would not see any light until you interact with the table.

The two pieces of pegboard (as well as a good view of the wire "nest" beneath them) can be seen during testing here: http://youtu.be/ZO-9DszzpI8

The original prototype board can be seen here: http://youtu.be/oKPUU21ReZg
This link also contains a vast amount of information such as motivation/inspiration, similar projects by others, and more on components used.

IR-LED "node" power requirements determined with (led.linear1.org/led.wiz) — Good helper tool!

Another video of the finished product taken with an older camera can be seen here: http://youtu.be/xkohbr9ApMo

The "making of" video: http://youtu.be/fxkEPKGgv8o

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14:54

Creation of Reactive LED Coffee Table

I took pictures of my creating this project, so that I could later assemble them into this video. I sketched out some rough circuit block diagrams (read: not exact, merely demonstrative) to convey my approach, and linked some good sites to obtain more info.

The original prototype board can be seen here: http://youtu.be/oKPUU21ReZg
This link also contains a vast amount of information such as motivation/inspiration, similar projects by others, and more on components used.

Final Project, extended demo: http://youtu.be/OLfF4b49MLs

If you have any questions, please hit me up; there very well may be a mistake you could discover that I missed. Outside that, I can clarify a few things, but the information and links included in the video should be sufficient.

Final words: there are so many ways this could be improved that I encourage those interested to expand on the ideas, and share!

Addendum 9/3/2016: Want to reduce the wire tangle? Try multiplexing your input/output scheme like the Spark Design Club at the University of Toronto: http://imgur.com/gallery/AycbJ

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6:7

Make An L.E.D Illusion Mirror!

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