[GH-ISSUE #234] Missing Miso Pad on SLT-EM1043 #1790

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sascha_hemi · 2026-03-20T20:05:54+01:00

sascha_hemi commented

2026-03-20 20:05:54 +01:00

Originally created by @tjspacelord on GitHub (Feb 20, 2024).
Original GitHub issue: https://github.com/OpenEPaperLink/OpenEPaperLink/issues/234

Hello,

today I was looking to make a mini AP and stumbled upon a little Problem.
I was opening the Segmented Display and there were 11 pads and not 12 like in all the Documentation. I saw that I have an SLT-EM1043 and not a SLT-EM104, that model seems to have only 11 pads. Does somebody knows if it is possible to use this tag for a Mini AP. If yes what would be the pinout for this model, assuming the pinout is identical to the SLT-EM104 tag, then the Miso Pad is missing. And it seems like an important connection.
Here is a picture of the Segmented Display, where the pad is missing.

Thank you all in advance (This Project is awesome)

Originally created by @tjspacelord on GitHub (Feb 20, 2024). Original GitHub issue: https://github.com/OpenEPaperLink/OpenEPaperLink/issues/234 Hello, today I was looking to make a mini AP and stumbled upon a little Problem. I was opening the Segmented Display and there were 11 pads and not 12 like in all the Documentation. I saw that I have an SLT-EM1043 and not a SLT-EM104, that model seems to have only 11 pads. Does somebody knows if it is possible to use this tag for a Mini AP. If yes what would be the pinout for this model, assuming the pinout is identical to the SLT-EM104 tag, then the Miso Pad is missing. And it seems like an important connection. Here is a picture of the Segmented Display, where the pad is missing. ![PXL_20240220_123115492 MP](https://github.com/jjwbruijn/OpenEPaperLink/assets/160608192/9788bcba-f8b5-435c-9557-0092f1da59b1) Thank you all in advance (This Project is awesome)

sascha_hemi closed this issue

2026-03-20 20:05:55 +01:00

sascha_hemi commented

2026-03-20 20:05:55 +01:00

@jjwbruijn commented on GitHub (Feb 21, 2024):

Interesting! This is a nRF-based segmented tag, which uses a different pinout. While there is support for an nRF based AP, I advise you to build something using an ESP32 C6 or zbs243 based AP instead, as they’re well tested and work with current releases of the AP firmware. I recall there were some range-issues with the nRF AP too…

@jjwbruijn commented on GitHub (Feb 21, 2024): Interesting! This is a nRF-based segmented tag, which uses a different pinout. While there is support for an nRF based AP, I advise you to build something using an ESP32 C6 or zbs243 based AP instead, as they’re well tested and work with current releases of the AP firmware. I recall there were some range-issues with the nRF AP too…

sascha_hemi commented

2026-03-20 20:05:55 +01:00

@jjwbruijn commented on GitHub (Feb 21, 2024):

Also, if you want to trade one of these tags for a well supported one, send me a message on discord. I’d like to bring support for segmented tags one day, including this nRF one (should be easy as we already have a universal firmware for the nRF based tags)

@jjwbruijn commented on GitHub (Feb 21, 2024): Also, if you want to trade one of these tags for a well supported one, send me a message on discord. I’d like to bring support for segmented tags one day, including this nRF one (should be easy as we already have a universal firmware for the nRF based tags)

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Reference: starred/OpenEPaperLink#1790