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Traffic signs- 1k pixels around
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Traffic signs- 1k pixels around

by kayrock66 on Fri Jun 20, 2008 2:07 am

Image

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Image

Image
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by koolkat on Fri Jun 20, 2008 4:41 pm

how did you make an RBG version?
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by kayrock66 on Sat Jun 21, 2008 12:28 am

I bought a 100 RGB LEDs on e-bay, and did a new set of boards with enough '595's to drive them. Rewrote the firmware to drive them, and wrote Matlab programs to generate the color separated data files.

Point worth mentioning, the LEDs duty factor is reduced as you move in from the outer LEDs to the inner. The LEDs near the hub travel a shorter distance and would otherwise be much brighter than those further out on the wheel. Goes from 100% (near rim) down to something like 20% near hub. The allows for an even illumination across the image. Your eye doesn't notice so much but makes it easy to photograph without glare in the middle and saves battery power to boot.
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by Bronto on Mon Jun 23, 2008 1:56 am

I'll be doing some of my own RGB fun very soon in a different project, but damn man. Wow. I can't compare to your expertise. You seem to have taken us to SpokePOV 2.0

And I want in.
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by magician13134 on Mon Jun 23, 2008 8:10 am

Wow! That's pretty darn impressive! Will you be planning on releasing the boards/firmware etc? Again, great job!!!
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