I am working on an electronics project which involves hundreds of LEDs. (Talking upwards of six to seven hundred LEDs...a lot, I know.) Is there any way to control this many LEDs with one or a couple Arduinos? I would like to be able to access/control each LED individually as what I am wanting to do is plot LEDs onto a wall map of the world. I will then interface Arduino with Google Analytics and when someone navigates to my site from a certain place in the world, the LED closest to their region will light up in almost-real-time.
Any help would be appreciated. Thanks! I've tried to research some and read about multiplexing and charlie-plexing, but those seem to max out at 100 or so? I'm assuming I would need external hardware/components to be able to control this many LEDs, but what exactly would I need to make this happen? Has anyone else ever created an LED matrix this large?
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