This is a neat technique for making an animated effect with layers of laser-engraved acrylic, addressable LEDs, and a microcontroller:
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Thatâs cool. Reminds me of lixie tubes.
Oh interesting lixie version 2 is out:
Previously (2016):
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That was neat to watch!
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This has been in the unfinished projects pile since around then. At least long enough to acquire a coat of dust.
Back it goes to marinate a while longer, for imaginary future me to deal with.
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Neat! It reminds me of @mark14 âs waves
No idea if the tech behind it is completely different though 
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I think the takeaway here is that Venn diagram of led people and laser people is a circle.
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That was cool to watch, and the song too! It took me a moment to realize the words had been changed! 
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