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.

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.
  • 1 × Raspberry Pi B stores videos and computes the rotations
  • 240 × RGB LED
  • 1 × Antti's ProAsic3-Stamp with A3P060
  • 1 × Big 5V power supply
  • 6 × large capacitors
  • 1 × UGN3503 Hall Effect sensor for phase detection

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