Arduino

Hack-a-Sketch takes classic toy digital [Video]

Hack-a-Sketch takes classic toy digital [Video]

Electronic versions of the classic Etch-a-Sketch aren't particularly unusual, but so far this is the first time we've seen Arduino-controlled knobs with physical resistance and a proper shake-to-clear integrated into such a project.  The Hack-a-Sketch takes a Lenovo ThinkPad laptop and adds the usual two Etch-a-Sketch rotary knobs; this time, though, they're hooked up to two potentiometers which control the onscreen drawing.

Video demo after the cut

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Arduino-enabled didgeridoo makes for bizarre music manipulation [Video]

Arduino-enabled didgeridoo makes for bizarre music manipulation [Video]

Ah, Arduino - is there anything you can't do?  Didgeridoo enthusiast Kyle Evans decided to take his instrument of choice into the wireless age, by coupling it with a Bluetooth-capable Arduino microprocessor and custom-built externally-mounted sound modules that allow the player to manipulate the sound and control various software instruments (that, again, have been custom created).  The end result looks like it should fire rockets and sounds like nothing on Earth.

Video demo after the cut

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Reverse Geocache Puzzle doles out presents depending on location

Reverse Geocache Puzzle doles out presents depending on location

Weddings are reasonably good fun for those attending, but being expected to provide an often-expensive gift can sometimes irk.  So how about giving a present that demands a little more than simply scribbling a thank-you card; that's just what Mikal did for the friend who introduced him to Arduino tinkering.  He constructed the Reverse Geocache Puzzle, a wooden box that would only be unlocked when within 2km of a location Mikal preprogrammed into it.

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Robot fish reads your tweets; new mbed microcontroller [Video]

Robot fish reads your tweets; new mbed microcontroller [Video]

Is there any better hack than making a robot fish read out Twitter messages?  If there is, don't tell Dan Ros about it: he's spent his spare time hooking up a Big Mouth Billy Bass "novelty" fish to an mbed microcontroller.  Initially the fish merely repeated .wav files from an SD card, but then they used the mbed's HTTPClient library to pull in tweets instead.

Video demo after the cut

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Arduino wristwatch plays Pong

Arduino wristwatch plays Pong

One of the reasons the Arduino is so successful is because of its flexibility - there's plenty of very complex ways you can implement the microprocessor board into a project - but that doesn't mean it can't do simple tasks just as well.  Psycholinguist Franklin Chang used his Arduino to make a fetchingly homespun wristwatch.

Video overview of the Arduino watch after the cut

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