This project uses a 32X32 LED array (1024 LEDs in total) and a beagle bone black board. The page describing the project has very nice explanations on how the whole system works (and LED displays in general).

rgb-led-panel-introduction

 

 

From this project the creator Glen Akins, went on to construct a 3X2 matrix of 32X32 LEDS, or a total of 6144 RGB LEDs that have a 200Hz refresh rate! Check out the video below of the panel in action:

 

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