Giant LED Grid Preview
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Uploaded by wcmartin1 on Nov 20, 2010
Here's where I currently am on my LED grid project. It's a little hard to tell what the LEDs look like from the video but these are bright. It's 400 modules in a 20x20 grid, each has 3 SMD LEDs and an LPD6803 driver. The dimensions are 7.5 by 7.5 feet. All of the control is done though SPI on an arduino that is driven from my laptop.
I still need a fix a few of them (missing color channels) but that shouldn't take long. This is just the base to the display though, I will be using frosted acrylic on top of a square grid to properly diffuse the pixels.
So far I've written code for:
Tetris
Pong
Snake
Tron
A spectrum analyzer
Flashing segments synced to music beats
Web cam feed
Various animations
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You were able to drive the LPD6803 and do video? What library are you using to parse the data? From my experience, the LPD6803 wouldn't update fast enough to display any form of live animation. Are you running it off a standard atmega328?
I'm working on a grid using the 6803 chip as well and am very impressed with your results.
djlightspin 8 months ago