[GH-ISSUE #261] Support for EL029H4WRC? #1255

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opened 2026-03-20 19:06:15 +01:00 by sascha_hemi · 2 comments
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Originally created by @cgommel on GitHub (Mar 3, 2024).
Original GitHub issue: https://github.com/OpenEPaperLink/OpenEPaperLink/issues/261

I could probably get some of the mentioned tags.

Is there any support for them in sight?

The internals look quite different - much smaller PCB.

Do not have devices yet and cannot answer you what Wireless SoC is used.

Originally created by @cgommel on GitHub (Mar 3, 2024). Original GitHub issue: https://github.com/OpenEPaperLink/OpenEPaperLink/issues/261 I could probably get some of the mentioned tags. Is there any support for them in sight? The internals [look quite different](https://fcc.report/FCC-ID/2AFWN-EL029H4WRC/4788168.pdf ) - much smaller PCB. Do not have devices yet and cannot answer you what Wireless SoC is used.
sascha_hemi added the enhancement label 2026-03-20 19:06:15 +01:00
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@jjwbruijn commented on GitHub (Mar 6, 2024):

Not going to bet my life savings on it, but this tag looks Realtek, unsupported for now. But you won't know until you open it up! Tags with similar ID's have been using different SoC's anyway so based on the ID alone, it's hard to tell.

<!-- gh-comment-id:1981465894 --> @jjwbruijn commented on GitHub (Mar 6, 2024): Not going to bet my life savings on it, but this tag looks Realtek, unsupported for now. But you won't know until you open it up! Tags with similar ID's have been using different SoC's anyway so based on the ID alone, it's hard to tell.
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@BigSpice commented on GitHub (Jun 29, 2024):

Got a bunch of documentation on this specific tag.
Attached below.

Also some custom work im trying to do. would love some pointers if im going about my quick pcb connections correctly.

Trying to follow https://github.com/atc1441/ATC_TLSR_Paper & https://javabin.cn/2022/epaper.html
However, I can only reset the display through my FTDi connector. (of course chip is different, but we can dream)

UPDATE:

Chip found - NRF52811
https://www.nordicsemi.com/Products/nRF52811/Download#infotabs

TYPE:
-QFA
-AA0

INFO:
https://infocenter.nordicsemi.com/pdf/nRF52811_PS_v1.1.pdf
https://docs.nordicsemi.com/bundle/nRF52811_PS_v1.2/resource/nRF52811_PS_v1.2.pdf
https://docs.nordicsemi.com/bundle/ps_nrf52811/page/ref_circuitry.html
IMPORTANT - https://docs.nordicsemi.com/bundle/ps_nrf52811/page/dif.html

UPDATE_1.1:
https://github.com/MartinWeigel/nRF52811

1.6"
image
20240629_172915
20240629_172857
2.2"
image
20240629_172749
20240629_172650

<!-- gh-comment-id:2198345783 --> @BigSpice commented on GitHub (Jun 29, 2024): Got a bunch of documentation on this specific tag. Attached below. Also some custom work im trying to do. would love some pointers if im going about my quick pcb connections correctly. Trying to follow https://github.com/atc1441/ATC_TLSR_Paper & https://javabin.cn/2022/epaper.html However, I can only reset the display through my FTDi connector. (of course chip is different, but we can dream) > **UPDATE:** > Chip found - NRF52811 > _https://www.nordicsemi.com/Products/nRF52811/Download#infotabs_ > > **TYPE:** > -QFA > -AA0 > **INFO:** > _https://infocenter.nordicsemi.com/pdf/nRF52811_PS_v1.1.pdf > _https://docs.nordicsemi.com/bundle/nRF52811_PS_v1.2/resource/nRF52811_PS_v1.2.pdf_ > _https://docs.nordicsemi.com/bundle/ps_nrf52811/page/ref_circuitry.html_ > _IMPORTANT - https://docs.nordicsemi.com/bundle/ps_nrf52811/page/dif.html__ > UPDATE_1.1: > https://github.com/MartinWeigel/nRF52811 1.6" ![image](https://github.com/OpenEPaperLink/OpenEPaperLink/assets/23240514/bfd9ba5b-0cda-4c54-a197-ce5d5ea2dd9b) ![20240629_172915](https://github.com/OpenEPaperLink/OpenEPaperLink/assets/23240514/1557e916-ad9e-4394-8ee4-09b91491d3c3) ![20240629_172857](https://github.com/OpenEPaperLink/OpenEPaperLink/assets/23240514/ea1d6a18-f6e5-42dd-a278-0c38c9e51c8d) 2.2" ![image](https://github.com/OpenEPaperLink/OpenEPaperLink/assets/23240514/1e631945-2564-4eb7-9a1d-cba133b03c0f) ![20240629_172749](https://github.com/OpenEPaperLink/OpenEPaperLink/assets/23240514/fdd13dce-8fb3-4c2d-a199-d889e8455924) ![20240629_172650](https://github.com/OpenEPaperLink/OpenEPaperLink/assets/23240514/f3aac771-6a2a-4b67-96f4-3cdf66190a4f)
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Reference: starred/OpenEPaperLink#1255