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Gosund Nite Bird WB4 - Issues Flashing Tasmota Firmware, No Feedback

domio33 936 5
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  • #1 20367145
    domio33
    Level 28  
    Hi all,
    I have a problem with changing the software on the tasmote in the gosund bulb wb4.

    Despite soldering in the leads I still have no feedback communication from the controller.

    Below I insert pictures I found on a German forum :


    Gosund Nite Bird WB4 - Issues Flashing Tasmota Firmware, No Feedback

    And here my bulb


    Gosund Nite Bird WB4 - Issues Flashing Tasmota Firmware, No Feedback

    As you can see, mine is newer (?) , does not have the signed pins , although the board looks identical.

    Question whether the controller may have been changed and therefore does not detect my computer, or have been routed differently pins ?

    Anybody here has changed the software in this bulb ?
    I would appreciate an answer :) .
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  • #2 20371810
    p.kaczmarek2
    Moderator Smart Home
    What WiFi module is in there? More pictures please, you have not shown the WiFi module on the front and I can't see its designation.
    Helpful post? Buy me a coffee.
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  • #3 20514563
    maxikaaz86
    Level 12  
    @domio33
    @p.kaczmarek2
    I will dig up the topic because I just happen to have a few of these bulbs and at some point the manufacturer changed the ESP to W701H(?). Also, I could not find a module that looks the same or similar on the Tuya website.
    Gosund Nite Bird WB4 - Issues Flashing Tasmota Firmware, No Feedback .
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  • #4 21379255
    p.kaczmarek2
    Moderator Smart Home
    Helpful post? Buy me a coffee.
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  • #6 21438564
    divadiow
    Level 34  
    @maxikaaz86 has de-soldered the CUCO-KK-R-V1.2 module and kindly provided us with a pic of the rear, which I now post

    Image of the desoldered CUCO-KK-R-V1.2 module with visible pin markings.
    The image shows the backside of the CUCO-KK-R-V1.2 electronic module with visible pin labels and connection instructions.

    This W701H module requires 2 IOs to be pulled to 3.3v

    Code: Text
    Log in, to see the code


    RX is GPIO13
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