I made a small LED panel

93 points27 comments12 days ago
stavros

I was about to comment that I also made a small LED panel, but then realized it was me.

Here's the latest LED thing I'm working on (the design isn't mine): https://immich.home.stavros.io/share/oXerU8gnLn-dNHunPOg8lM8...

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scottbez1

On the topic of small LED panels, Jason of Evil Genius Labs has been making some really small LED panels [0] with addressable 1mm x 1mm LEDs (yes, individually addressable AND only 1mm on each side!). Fitting 128 onto a 1" circle is pretty sweet.

I keep meaning to design some PCBs with them [1] but it's too far down my ever-growing list of projects to see the light of day...

[0] https://www.evilgeniuslabs.org/one-inch-fibonacci128

[1] https://www.lcsc.com/product-detail/C5349953.html

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MrGilbert

Speaking about small led panels, I also recommend the "Fluid Simulation Pendant" from mitxela: https://mitxela.com/projects/fluid-pendant

Lerc

I have a bunch of these 8x8 panels on their way from AliExpress right now for an art project that a part will look remarkably like the video. V1 will probably be a 32x32 just like it.

I still haven't decided if I want to have a partition grid between the panel and the diffuser to make square edge pixels. It's definitely going to have a rp2350 inside. PIO is the best thing ever.

Havoc

Tried my hand at this too. Except more janky and was aiming at lots of output.

LED get freaking hot fast at higher wattages and quickly found myself dealing with heat sinks etc.

smusamashah

I dont understand it. The resolution is only 8x8. How does the animation at the end looks so smooth and way higher resolution?

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mytailorisrich

The diffuser really makes this. The resulting effect looks great.

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nikkwong

This is neat! Any notes on the algo for controlling the output of the ws2812s?

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