Meet the Fibonacci256: an LED toy with 256 RGB nodes mounted in a Fibonacci layout. It is capable of displaying mesmerizing patterns. It measures 6.54 x 6.54″. An open source software is available for you to experiment with this.
More gadgets like this: here
Fibonacci256 RGB LED Disc - Color Waves
The above video shows what you can do with this. You can find out more here.
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