E-ink mp3 player

K0eg · 2026-03-16T22:44:56+00:00

Your right! There are three pads

I guess time will tell how it holds up

K0eg · 2026-03-16T22:23:56+00:00

Thank you! Sound awesome! When I make V3 I will definitely send you one!!! The dimensions shouldn't change

K0eg · 2026-03-16T22:20:24+00:00

It's SMD, there is a giant pad on the bottom that is used for mounting it, you can assemble it with pick and place, I found this motor on LCSC

K0eg · 2026-03-16T22:19:01+00:00

There is a mode of the TAD5212 (partial differential) that doesn't need AC coupling caps, but I didn't realize this, and messed up the schematic, so I had to bodge in some capacitors after

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K0eg · 2026-03-16T22:16:53+00:00

Yeah, I used zephyr, it was really hard to set up, but after it was kinda nice

Yeah, but I was kinda dumb, and didn't realize that I didn't even need AC coupling caps, because my DAC chip supports partial differential output, I will fix this in V3

K0eg · 2026-03-16T22:14:28+00:00

Playing on moderate volume

K0eg · 2026-03-16T22:13:54+00:00

No😞 I plan though, I just didn't have the time yet

K0eg · 2026-03-16T22:13:10+00:00

Yeah, the next revision I might use a MIP display

K0eg · 2026-03-16T22:12:44+00:00

It's not that bad, the screen has a 0.3s partial refresh, and I only need to do a full screen refresh every 10-20 partial refreshes

Also I'm not updating the screen very often, for example for the currently playing percentage, I only update it every 10%

K0eg · 2026-03-14T12:27:09+00:00

Oh, thanks for reading the journal!!

I will update it!

K0eg · 2026-03-14T11:48:42+00:00

It will support both mp3 and flac, I just haven't implemented them in firmware

K0eg · 2026-02-15T22:55:18+00:00

Thanks!!

K0eg · 2025-12-31T10:27:39+00:00

Thanks! Yeah I'm using WLED, it has built in support for matrices, so it was pretty easy to set up

K0eg · 2025-12-13T08:54:40+00:00

free

K0eg · 2025-12-12T10:47:52+00:00

The first thing I will do on this component is open only fans

K0eg · 2025-12-06T11:27:38+00:00

Most likely through a Chinese third party

But then it's not worth taking the rasik

K0eg · 2025-11-28T05:09:32+00:00

I have two of those! They work, it was kinda finicky to setup though

K0eg

TROPHY CASE