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Hack A Day (5 unread)

Cardboard Androids

Posted: March 8th, 2010, 4:50pm MST by Jakob Griffith

Who needs expensive acrylic based, microcontrolled robots with only a few sensors available when cardboard and an Android cellphone will work much better for much less in cost! The team over at Cellbots have done just that. While they did cheat a little by using a laser cut cardboard for exact measurements and including an [...]
LEDs invade coffee table crevice

Posted: March 8th, 2010, 2:44pm MST by Mike Szczys

That’s a lot of LEDs, and a little bit of glass cleaner. [Tobias] spiced up his IKEA coffee table by adding 6144 LEDs. This is a larger realization of SparkFun’s LED coffee table which used 64 8×8 modules. [Tobias] sourced three display boards from Sure Electronics for a total of 96 8×8 modules. These boards [...]
Dr. Boardman’s Color Conundrum

Posted: March 8th, 2010, 1:14pm MST by Mike Szczys

We feel like trumpets should be sounding. Someone took the overused project of connecting RGB LEDs to a microcontroller and produced something useful. [Paul] created Dr. Boardman’s Color Conundrum which works much like a simple mechanical coin-op game you might find at a carnival. When switched on, a random color is displayed by the ping-pong [...]
Give 1984 Mac a Leopard makeover

Posted: March 8th, 2010, 11:33am MST by Mike Szczys

[Jake Howe] brought his 1984 Mac up-to-date by cramming new guts inside of the classic case. The goal from the start was to run OS X Snow Leopard on the machine without altering the externals. He heated and formed acrylic around the original CRT screen to make a bezel for the replacement LCD screen. The [...]
Lava lamp centrifuge

Posted: March 8th, 2010, 9:06am MST by Caleb Kraft

Like many projects, this one started with a harmless question. “Will lava lamps work in a high-gravity environment such as Jupiter?”. Well, as it turns out, this harmless question was not so easily answered. The only real solution was to test and prove for sure. To do this, [Neil Fraser] built a centrifuge in his [...]