LedLightRay » Make

LED Throwies 2

koibito — Wed, 10 Jun 2009 15:12:40 +0000

LED Throwies are an open source graffiti technology developed at the Graffiti Research Lab, a division of the Eyebeam OpenLab. Click here for instructions on how to make your own Throwies.

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The ultimate diggbait: Digg the Physical

koibito — Fri, 20 Apr 2007 16:05:50 +0000

The Digg button is a very simple beginner electronics that teaches how to solder and program microcontroller. Once made, this basic electronic project mimics the popular Digg.com website: each time you push the button, the button flashes “Dug” and increments the counter up to 999 “diggs”. The project is completely open source, and documented here including parts list, schematics and code. For those who don’t want to try to chase down the electronic components, we have a full kit ready to go in the Adafruit webshop.

Digg.com is a site that allows people all over the globe to discuss and vote on (“digg”) stories. The most popular and talked about stories rise to the top of the page where millions of viewers will see them. Likewise, this button is a simple project that we hope the collective power of Digg will use as a basis for new hacks, mods and projects.

The Digg kit was created when Phillip Torrone (Makezine.com), Kevin Rose (Digg.com) and Ladyada met up for a drink. They thought it might be interesting to inspire the next generation of technologists and hobbyists who frequent Digg with a fun and easy project that not only teaches but is a lot of fun.
project page

Relax your room with LED ocean projector

COOLLIGHT – Winner of House Party Design Competition

koibito — Fri, 22 Dec 2006 20:30:47 +0000

Recently, designboom had a “house party” design competition, and after looking at 3070 designers from 89 different countries, they decided on the top 3. Wen-Haur Yen from Taiwan took first place and in his own words describes his invention:

COOLIGHT combines a handle and a steel cylinder filled with cryogen. When you need an ice beer, just put the COOLIGHT into the beer bottle. It would help you to cool down the beer as soon as possible. On the top of the handle , there is a cork made by rubber would fix the hole device and the bottle close together, and you can drink the beer through the hole on the top of it. COOLIGHT has another convenient device on its body, LED. LED would display the information of time and temperature in order that you could know what time it is or what the temperature of the beer. Besides, LED provides several different colors to show the identification (identify itself) from others, and different light gives different atmosphere of the party. And it would be a good subject of a beginning talk.
via: popgadget

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LED Bonsai Tree

koibito — Fri, 21 Apr 2006 11:28:13 +0000

If you like technology and if you like traditional Japanese art, you should try to build your own LED bonsai tree. There is one simple tutorial that describe one cool way to make it using 1152 LED’s and 256 resistors.
The base is a flower pot and a disk of wood with a ring of holes for the wire “roots” to pass through. The wood is resined into the flower pot which is topped up with a mixture of peat and PVA to form a hard soil-like surface.
“The number of flowers was chosen to be a binary multiple to make it easier to twist the wire together in a way that allows pairs of branches to combine progressively until there is just one big trunk of 256 wires going into the base. All 256 wires are electrically functional and were colour coded brown for +ve and green for -ve to make wiring easier while giving a natural appearance(!).”

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