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Evil Mad Scientist Laboratories has teamed up with Because We Can to create two awesome interactive LED coffee tables with hundreds of LEDs in the tops that respond to motion. Because We Can is selling completed tables for $1800 to $2500. EMS Labs is selling the LED tabletop kits (you provide the table and endless hours of soldering) for $350 or $450 (depending on the number of LED panels).

Interactive LED Coffee Tables: Update and kits! – Link

Gareth Branwyn

Gareth Branwyn

Gareth Branwyn is a freelancer writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor for Boing Boing and WINK Books. And he has a new best-of writing collection and “lazy man’s memoir,” called Borg Like Me.


  • amp2003

    I’ve poked around EMS’s and BWC’s websites a bit, but I can’t find any schematics. I’m guessing this isn’t an open source project. If someone knows differently, I’d like to find out.

  • secret-agent-toast

    This is Jeffrey from BWC. I bet if you contact Windell directly at EMS he might share them. As far as I know it’s not currently open source.

  • amp2003

    Thanks!

  • Larry

    Are there no smart people that could provide a schematic? Thanks

  • Scotchfox

    Yep… I made one.. Well, only one panel. However! I changed their idea from a “motion” detector, which it really isnt. All it’s doing is activating an LED dimming circuit with a phototransistor. Not that hard, seriously. If you want one like the one they have made, you could easily make one yourself, instead of paying $2500 for a bloody table. AND who wants a table that lights up in the light ? Wouldn’t a table that lights up in the dark be better ? Which brings me to my schematic. I have made a similar table that pretty much does the same thing, but without the requierment of light. Light or dark, my table works.. well, at least the one panel :P

  • asteronimo

    Scotchfox,

    I also tried to build my own panel, but I’ve found it very difficult to set the threshold for photosensors to respond exactly the same way to levels of light and darkness.

    How did you solve this problem?

    – Asteronimo

  • slobodan

    hi i am an amateur electronic and i saw this project its looks very very pretty for my room but when i saw the price on evilmadscientist i disapointed because its too much mabye he askas for real price but most peoples cant afford it so i start searching the diagram to try to make it my self but after i find 4 diagrams none of it wasnt working :((. so does anyone have an idea how this functions and what parts are in game or the best its does anyone have any diagram solution of this?. Thanks in front guys

  • Leonard

    Erm I also though phototransistor would work but “it only switches on when there is an absence of light, right? That brings me to “motion detectors” the type used in house alarms. It sounds like the obvious solutions. But I feel to make it more realistic there is a bit more behind this project.

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