[GH-ISSUE #219] Feature request: Provide documentation on how to program the tags via cable. #1221

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opened 2026-03-20 19:05:49 +01:00 by sascha_hemi · 1 comment
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Originally created by @dreirund on GitHub (Feb 7, 2024).
Original GitHub issue: https://github.com/OpenEPaperLink/OpenEPaperLink/issues/219

For my use case, using an AP set what the tag displays is not desired, instead I want to do it wired.

Describe the solution you'd like

The tags have some serial lines directly on the PCB. I want to use this. As far as I have heard the OpenEPaperLink firmware supports this. I want to have documentation on how to do it (how to talk to the firmware).

Originally created by @dreirund on GitHub (Feb 7, 2024). Original GitHub issue: https://github.com/OpenEPaperLink/OpenEPaperLink/issues/219 ### Is your feature request related to a problem? Please describe. For my use case, using an AP set what the tag displays is not desired, instead I want to do it wired. ### Describe the solution you'd like The tags have some serial lines directly on the PCB. I want to use this. As far as I have heard the OpenEPaperLink firmware supports this. I want to have documentation on how to do it (how to talk to the firmware).
sascha_hemi added the enhancement label 2026-03-20 19:05:50 +01:00
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@jjwbruijn commented on GitHub (Feb 7, 2024):

I'm interpreting this as: I want to serve image data to the tag over a serial link instead of 802.15.4. This isn't supported as a part of OpenEPaperLink, nor planned in the immediate future.

See here for more information:
https://github.com/atc1441/ZBS_Flasher/tree/main/custom-firmware/UART_2.9_EPD

<!-- gh-comment-id:1931687319 --> @jjwbruijn commented on GitHub (Feb 7, 2024): I'm interpreting this as: I want to serve image data to the tag over a serial link instead of 802.15.4. This isn't supported as a part of OpenEPaperLink, nor planned in the immediate future. See here for more information: https://github.com/atc1441/ZBS_Flasher/tree/main/custom-firmware/UART_2.9_EPD
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Reference: starred/OpenEPaperLink#1221