Ge-35 christmas lights

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1

Spotted these at local Home Depot. Very popular -same as last year (only two boxes left)

http://code.tinyclr.com/project/196/ge-35-christmas-lights-individually-addressable/

2

Yes found these on the internet few days ago.
They are pretty expensive where I found them (~$80-$100) and only available for American customers.

But of course they are pretty awesome too. ;D

You can do the same with digital LED strips, since those use a small micro controller with SPI functionality.