Diy high density multi pixel concept

[rimist]

I know similar ideas have been brought up before, however I'm thinking of a significant twist, and was wondering if it is possible:
I want to create a high pixel density sphere or the like. I know normally each pixel has a small chip that connects to four LEDs, RGBW. I understand that it wouldn't be cost effective for me to duplicate it, however, would it be possible to use a more powerful chip to control an entire array of pixels, either 32, 64 or 128?

- Rimist

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[RJ]

Sure, That how I did it on the ledtricks. Use a high output chip and charlieplex would do it.

RJ

[rimist]

So... I can't seem to find much about the ledtrix or ledtrix2. Do you have anything you are willing to share?

- Rimist

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[shaunkad]

for the led trix go to diyc for the trix 2 it is smart strings.