spatialized umbrella on Cool Circuits

Picture 2
Picture 3

This is a cool project idea. When the the rain
falling down the raindrop on the umbrella  samples play the music in a
loop, each speaker playing their own unique raindrop. The LEDs light up
the speaker playing at that moment. The tempo of the loop is controlled
by a long-range Sharp Infrared range finder. The closer an object is to
you, the faster the loop plays. If an object is close enough and a
threshold is reached, a lightning sequence is triggered.

http://www.coolcircuit.com/gadgets/2009/04/13/spatialized-umbrella-v01/

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Great that this blog chose a different image to post on their entry.  Their description is completely original, and not necessarily the most accurate. unfortunately, they did not mention mapduino, but at least my blog is linked.