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Rosace

Persistance of vision mill. Or a 2m diameter RGB rotating screen.

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Fred Sapey-Trimphe builds persistence of vision mils since 2009, called SPIM or e-Rosace.

http://www.mepic.fr/?page_id=494

Since 2013, the Rosace displays actual color videos at 15fps with a Raspberry Pi for storage and rotation computations, hooked to a FPGA for the tight real time signals and angle interpolation.

https://www.youtube.com/watch?v=v7z_S63g47M

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