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working fully (except that one dude, last row. fixing it as i write this) and i love everything about: the aesthetic, its weight (it's glass, so it's got some heft to it) and just running on 5v. low power, too! now to some programming and this baby is ready... show more

Julian Hespenheide

3,734 subscribers

78,879 views • 2 months ago •via X (Twitter)

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23 Comments

BookCatKid2 months ago

How does this work? What are you using here? Genuinely interested.

Julian Hespenheide2 months ago

a single PCA9685 PWM servo driver can pulse 16 LCDs. multiply this by four and you have four drivers and 64 LCDs. controlled by a single ESP32-S3. all mounted on a 31x31cm custom PCB.

Julian Hespenheide2 months ago

also the drivers are over I2C so they are easy to daisy-chain. i think this is the most economical way to do this. other options: driving PWM directly form the GPIOs, but then you are limited by your GPIOs of the uC. another option is to use a shift-register (binary only. no PWM)

Lonliboy2 months ago

This had to have taken so much patience and attention to detail. I love everything about it.

Julian Hespenheide2 months ago

thank you lonli for the kind words. and you are absolutely right :)

Michael Grinich2 months ago

@mannay beautiful work. reminds me @xercyn’s “patterned by nature”

Julian Hespenheide2 months ago

@mannay @xercyn whoa, this is great! someone has mentioned this before but i was only able to find a still picture. i knew already that this was very impressive, but seeing it as a video really shows the scale of the installation :o

Ricky Retouch2 months ago

Incredible work Julian

Julian Hespenheide2 months ago

thank you ricky!

㌐⺅〜ｻﾝ2 months ago

when will it play Bad Apple

Chainee2 months ago

Looks like modern take at Pratchett’s clacks.

Moises Jimenez2 months ago

Cool

Monty2 months ago

sick!

KnownUnknown2 months ago

Wow!

MathMakesArt2 months ago

Absolutely beautiful work, Julian! I'm so in love with this project.

Julian Hespenheide2 months ago

merci 🤍🤍🤍✨

mark webster 🪸2 months ago

Looking stellar!

Julian Hespenheide2 months ago

merci mark <3

Saumya Solanki2 months ago

You could make stained glass pixel art animations on windows with this :0 render dynamic pixel art for stained glass installations

ZanBrewer2 months ago

D1 white queen's house

Rictus 🍥❁2 months ago

So cool!

rudcode.dev2 months ago

Is that a PLDC?

Sorry4noname2 months ago

F2 and D1 aren't working, isn't just D1 on the last row.

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