[GH-ISSUE #343] Help please #1302

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sascha_hemi · 2026-03-20T19:06:54+01:00

sascha_hemi commented

2026-03-20 19:06:54 +01:00

Originally created by @noha23 on GitHub (Jun 30, 2024).
Original GitHub issue: https://github.com/OpenEPaperLink/OpenEPaperLink/issues/343

I have a bunch of solum m3 price tag (EL029H3WRA) and ESP32-S3-WROOM-1 N16R8. I have flashed the esp32 as an ap and flasher. But now i am stuck because i seem not to be able to find out by myself what pin of the display connect to what pin of the esp32 to flash the custom firmware of the display. Please help

Originally created by @noha23 on GitHub (Jun 30, 2024). Original GitHub issue: https://github.com/OpenEPaperLink/OpenEPaperLink/issues/343 I have a bunch of solum m3 price tag (EL029H3WRA) and ESP32-S3-WROOM-1 N16R8. I have flashed the esp32 as an ap and flasher. But now i am stuck because i seem not to be able to find out by myself what pin of the display connect to what pin of the esp32 to flash the custom firmware of the display. Please help ![20240630_235106](https://github.com/OpenEPaperLink/OpenEPaperLink/assets/96893897/8f5c8bfd-6015-4ab9-b3ff-4a638c63836f)

sascha_hemi closed this issue

2026-03-20 19:06:55 +01:00

sascha_hemi commented

2026-03-20 19:06:55 +01:00

@LeftPinkie commented on GitHub (Jul 8, 2024):

@noha23 You can find references here: https://github.com/OpenEPaperLink/OpenEPaperLink/wiki/Access-point-pinouts. Also there is a list of access points and flashers built by other: https://github.com/OpenEPaperLink/OpenEPaperLink/wiki/Building-an-Access-Point. Hope that helps.

@LeftPinkie commented on GitHub (Jul 8, 2024): @noha23 You can find references here: https://github.com/OpenEPaperLink/OpenEPaperLink/wiki/Access-point-pinouts. Also there is a list of access points and flashers built by other: https://github.com/OpenEPaperLink/OpenEPaperLink/wiki/Building-an-Access-Point. Hope that helps.

sascha_hemi commented

2026-03-20 19:06:55 +01:00

@LeftPinkie commented on GitHub (Jul 9, 2024):

Just out of curiosity, where did you get these M3 tags? Are you will to sell some to me?

@LeftPinkie commented on GitHub (Jul 9, 2024): Just out of curiosity, where did you get these M3 tags? Are you will to sell some to me?

sascha_hemi commented

2026-03-20 19:06:55 +01:00

@BigSpice commented on GitHub (Jul 15, 2024):

Just out of curiosity, where did you get these M3 tags? Are you will to sell some to me?

I have more tags than I can handle here XD.

Sad part is I dont have an S2 based board, so im trying to find a way to use a [WROOM-32] or a [D1 MINI] ,to flash and create an AP for these tags. :(.

I've also made a modified JIG for all of the pins available for the M3 2.2 Pinout.
As well as adjustments to use regular arduino cables for faster testing and debugging.

@BigSpice commented on GitHub (Jul 15, 2024): > Just out of curiosity, where did you get these M3 tags? Are you will to sell some to me? I have more tags than I can handle here XD. Sad part is I dont have an S2 based board, so im trying to find a way to use a _[WROOM-32]_ or a _[D1 MINI]_ ,to flash and create an AP for these tags. :(. I've also made a modified JIG for all of the pins available for the M3 2.2 Pinout. As well as adjustments to use regular arduino cables for faster testing and debugging. ![image](https://github.com/user-attachments/assets/b2803599-e3e7-456d-9305-b95d7acaeffe)

sascha_hemi commented

2026-03-20 19:06:56 +01:00

@LeftPinkie commented on GitHub (Jul 16, 2024):

Where are you located? I'm in the USA (Los Angeles). I would like take off your hands (buy) some of the Solum M3 tags. Also I can source and purchase the ESP-32 S3 and C6 modules for you.

@LeftPinkie commented on GitHub (Jul 16, 2024): Where are you located? I'm in the USA (Los Angeles). I would like take off your hands (buy) some of the Solum M3 tags. Also I can source and purchase the ESP-32 S3 and C6 modules for you.

sascha_hemi commented

2026-03-20 19:06:56 +01:00

@BigSpice commented on GitHub (Jul 16, 2024):

Where are you located? I'm in the USA (Los Angeles). I would like take off your hands (buy) some of the Solum M3 tags. Also I can source and purchase the ESP-32 S3 and C6 modules for you.

Thank you so much :D,
Im here in Ottawa ON.
Send me an email, im fully able to send you some.
jordan.k.m@proton.me

@BigSpice commented on GitHub (Jul 16, 2024): > Where are you located? I'm in the USA (Los Angeles). I would like take off your hands (buy) some of the Solum M3 tags. Also I can source and purchase the ESP-32 S3 and C6 modules for you. Thank you so much :D, Im here in Ottawa ON. Send me an email, im fully able to send you some. jordan.k.m@proton.me

sascha_hemi commented

2026-03-20 19:06:56 +01:00

@enzo996 commented on GitHub (Jan 4, 2026):

Anybody with backup from infopage.bin / uicr from this tag please? i have a broken one, was locked. maybe i can get it working again..

@enzo996 commented on GitHub (Jan 4, 2026): Anybody with backup from infopage.bin / uicr from this tag please? i have a broken one, was locked. maybe i can get it working again..

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Reference: starred/OpenEPaperLink#1302