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Extracting Tuya Config from LEDVANCE SMART+ 9W E27 RGBW BK7231T Backup Failure

agehwaida 1002 2
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  • #1 21051636
    agehwaida
    Level 3  

    Inside of a light bulb showing a PCB and electronic components. Hand holding an opened electronic device with a visible circuit board and wires. Interior of a light bulb with visible electronic circuit and wires. Circular electronic board module with LEDs and components.

    BK7231T Firmware works.

    Info from backup, is attached.
    Wrote 2097152 to readResult_BK7231T_QIO_a_2024-19-4-15-18-16.bin
    Backup 2MB created, now will attempt to extract OBK config.
    It's not an OBK config, header is bad
    OBK config not found.
    Backup 2MB created, now will attempt to extract Tuya config.
    Tuya config extractor - magic is at 2023424
    Saving debug Tuya decryption data to lastRawDecryptedStrings.bin
    Failed to extract Tuya keys - no json start found
    Sorry, failed to extract keys from Tuya Config in backup binary.
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  • #3 21055373
    agehwaida
    Level 3  
    Thanks for the json.

    RGB Pin assignment is the same as in the 14W Version ( https://www.elektroda.com/rtvforum/topic4026971.html )

    White din works, but color temp doesn't yet.
    However I am only interested in the colors, so it is very fine for me.


    Flag 24 fixed this for me, too.

    So exactly the same behavior like "Ledvance Smart+ Classic A100 14W Multicolor"
    From my point of view it can be added to the compatible devices list.
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