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53 posts

Master Geek


Topic # 30198 1-Feb-2009 13:28
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I was just wondering what those things that you wave around and they make pictures or words in the air. It produces lots of flashing light squences, that if you wave around, they form a picture. Does anyone know what they are called?

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861 posts

Ultimate Geek
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  Reply # 193204 1-Feb-2009 13:46
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I think what your talking about is something like this from Thinkgeek. Used a small number of leds that when you move them, they create an optical illusion and you read the message...



53 posts

Master Geek


  Reply # 193207 1-Feb-2009 13:53
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Oh yes. That's the type of thing I mean. But what's it called?

 
 
 
 


861 posts

Ultimate Geek
+1 received by user: 138

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  Reply # 193208 1-Feb-2009 13:59
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Some kind of Multiplexed LED display? Here's another Idea for your Ford / Holden / set of wheels of choice

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