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[GH-ISSUE #551] Variable binary data between readings (OEPL-Flasher.py) #3669
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Reference: starred/OpenEPaperLink#3669
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Originally created by @Larzu on GitHub (Feb 8, 2026).
Original GitHub issue: https://github.com/OpenEPaperLink/OpenEPaperLink/issues/551
For some reasons it's not possible to get reliable original binary data (infoblock/fw) from Solum tags (Solum ST GM29xxF and ST-GR2900N).
Following command is used and also -t option is giving same results
python OEPL-Flasher.py -p com10 -z -i read test.bin
This is giving different binary data basically every reading.
The #define FLASHER_AP_SPEED 250000 has been lowered down to 250000 but this was not helping.
The wires are soldered and pinout is following in ESP32-S3-n16R8.
EXT port pins: SS=40, CLK=41, MOSI=2, MISO=42, RESET=1, POWER=8, TEST=47