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Cozylife DS-1211AN 3Gang Touch Switch: 1MB BL602L10 [XT-BL12][DT-BL12] - Images, Firmware & Boot

divadiow 2805 92
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  • #91 21471074
    divadiow
    Level 34  
    >>21470955

    unpaired boot log. both same SDK, dates, firmware version 1.1.1, product ID p93sfg
    Code: Text
    Log in, to see the code


    Added after 2 [minutes]:

    this bulb has same product ID but came with 2mb DT-BL200 module https://www.elektroda.com/rtvforum/topic4039283.html
    which you also said looks identical in your message to me

    Added after 3 [minutes]:

    what module does your have?

    Added after 3 [minutes]:

    added to flashdumps as CozyLife_RGBCWW-CFA60-18W-E27-BL602L10_p93sfg_1.1.1.bin https://github.com/openshwprojects/FlashDumps/tree/main/IoT/BL602
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  • Helpful post
    #92 21471144
    niterian
    Level 8  
    >>21471074 >>21471074
    divadiow wrote:
    what module does your have?

    I haven't desoldered the module, so I can't read the label behind.
    It looks exactly like DT-BL200 and the main PCB even has the same label XLD-QFLWP-YT2.1.


    Small printed circuit board with various electronic components on a white background.
    Green printed circuit board with electrical circuits.


    EDIT: better closeup


    Close-up of an electronic component with a visible integrated circuit and capacitors.
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Topic summary

The discussion revolves around the Cozylife DS-1211AN 3-gang touch wall switch, which utilizes a 1MB BL602 chip, making it challenging to free from Cozylife's cloud services. Users explore the possibility of replacing the BL602 with an ESP-12S module, discussing GPIO configurations and the need for additional resistors for proper booting. Several users share their experiences with firmware modifications, including attempts to disable EasyFlash and adjust partition tables to accommodate the 1MB flash size. The conversation highlights issues with power supply stability, boot loops, and the need for specific configurations in the toml files to achieve successful firmware flashing. Ultimately, a successful build for the 1MB BL602 is achieved, allowing for further development and testing.
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