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    Khoa Ton
    08 окт. 2020 г.
    Отредактировано: 08 окт. 2020 г.

    Bulb Firmware Update Attempt to Tasmota 8.5.1 Bricked

    в Light

    Bulb stop responding after firmware upgrade to Tasmota 8.5.1. No WiFi accesspoint fallback seen.


    Is there a way to force WiFi accesspoint mode and firmware upload to the bulb when is in this mode?

    23 комментария
    23 комментария

    Поделитесь своим мнениемЗарегистрируйтесь, чтобы оставить комментарий.

    tim.g.winters
    25 февр.

    I bricked one of my bulbs that had tasmota on it. Is it possible to flash it form the pin header that is on the top of the PCB?

    Лайк

    M
    Mac Sass
    Mac Sass
    27 июн. 2021 г.

    The update of my bulbs to Tasmota 9.4.0 worked with no issue - all functionality still there 🙄

    Лайк

    J
    Justin Rowell
    Justin Rowell
    15 июн. 2021 г.

    I risked the update on a 3 gang wall switch. Bricked. It kept turning the first relay on and off forever, no recovery. power cycle didn't work. I am looking to flash it from serial now... anyone know what the labels on the pin out refer to? I have vcc and gnd, which are easy, then K1, K2, K3, and NC. Not sure how they would traslate to RX/TX and gpio...

    Лайк
    J
    Justin Rowell
    Justin Rowell
    15 июн. 2021 г.
    Ответ пользователю

    found tx and rx, they were just a little ways away and I am apprently blind. I can't make it go to flash made though, i need to pull gpio1 to gnd, I think, but don't have a gpio1... I am kicking myself because it was basically working, and I just wanted to update it before i set it up... guess i got an old one.

    Лайк

    M
    Mac Sass
    Mac Sass
    23 мая 2021 г.

    Great - thanks Johann - I´ll risk an update then as well ...

    Лайк

    J
    Johann Obermeier
    Johann Obermeier
    23 мая 2021 г.

    My Athom bulb is running with latest Tasmota development

    Лайк

    M
    Mac Sass
    Mac Sass
    22 мая 2021 г.

    Hi, thanks for the feedback - I´m aware how to upgrade - no issue with that. I was just wondering if: a.) there was a way to be sure I´m not on a device using the old bootloader, bricking the device when uploading b.) Anybody has tried to upgrade to current version 9.4 succcessfully with a Athom LED bulb Thanks - MacS

    Лайк

    M
    Mac Sass
    Mac Sass
    22 мая 2021 г.

    Hello, my Athom LED lamp is on Tasmota 8.5.0(tasmota), how can I identify if it is safe to flash to the latest Tasmota version? I have bought it early this year - so I would think it should be OK.

    I would need to update as the HUE emulation in Tasmota is broken and only fixed as of version 9.3.1 of Tasmota ...

    Лайк
    J
    Johann Obermeier
    Johann Obermeier
    22 мая 2021 г.
    Ответ пользователю

    Follow the usual upgrade path from Tasmota. See https://tasmota.github.io/docs/Upgrading/

    Лайк

    maxikoz
    29 мар. 2021 г.

    one more thing - monitoring doesnt work mqtt broker receives only zero values. do you know how to fix it ?

    Лайк

    maxikoz
    28 мар. 2021 г.

    i found. thx! {"NAME":"Athom PG01EU16A","GPIO":[0,0,0,17,134,132,0,0,131,157,21,0,0],"FLAG":0,"BASE":1}

    Лайк

    maxikoz
    28 мар. 2021 г.

    I didnt menation. I flashed EU Plug PG01-EU16A. doyou have config for it ?

    Лайк

    maxikoz
    28 мар. 2021 г.

    hello! I flash with tasmota.bin.gz. Where I cant find right settings for restore ?

    Лайк
    J
    Johann Obermeier
    Johann Obermeier
    28 мар. 2021 г.
    Ответ пользователю

    https://templates.blakadder.com/athom_LB017W.html

    Лайк

    maxikoz
    28 мар. 2021 г.

    hello! I flash with tasmota.bin.gz. Where I cant find right settings for restore ?

    Лайк

    A
    Alex
    Alex
    25 янв. 2021 г.

    Hello, is there any way to flash from the 8 pin header that is visible when opening the bulb?

    Лайк

    peter
    13 окт. 2020 г.

    Thank you Johann and Peter . This is the best way - WIN/WIN :-)

    Лайк

    J
    Johann Obermeier
    Johann Obermeier
    11 окт. 2020 г.

    I am in cotact with Peter (Athom CEO). Good news. Athom will change to a full compatible Tasmota build. So soon no danger to brick a device when updating.

    Athom reacted fast to the feedback of the Tasmota community! :-)


    Jason2866

    Лайк

    K
    Khoa Ton
    Khoa Ton
    11 окт. 2020 г.

    Fast Power Cycle Recovery never worked, so I had to disassemble the bulb (hot air gun a necessity to soften the glue, especially between the housing and LEDs' metal platform).


    Luckily, the GND, VCC, TX, RX, REST, GPIO0 are mostly well marked and very accessible once the AJW-05_8285 board in the bulb was desoldered detached for access. Here is what had to be done:




    Also, thank you @athom for the pinout info on the AJW-05_8285 board in this thread:

    https://www.athom.tech/forum/light/how-to-recover-from-correct-ssid-but-wrong-wifi-password-on-initial-setup-of-athom-rgbw-bulb


    Recap:

    OTA flashed with tasmota-minimal, then my own custom tasmota.bin.gz. This bricked the bulb (due to Athom's use of memory that's different from Tasmota's use). No recovery steps worked, had to access serial ports via points on AJW-05_8285 board board after desoldering it from bulb, then flash erase then program with my custom tasmota.bin. Resolder and reassemble to get working bulb on custom Tasmota build.


    To avoid this bricking (and subsequent serial flashing work), don't OTA flash from Athom firmware to tasmota-minimal. Go straight to released pre-build tasmota.bin, console "reset 5", then OTA flash custom Tasmota as needed.

    Лайк

    K
    Khoa Ton
    Khoa Ton
    08 окт. 2020 г.

    Thanks Jason. I will keep trying Fast Power Cycle Device Recovery, but am not optimistic.


    Athom Tech, would you provide serial flash pinout to the bulb? It looks like the connectors are there and accessible once just the bulb cover is removed.

    Лайк

    J
    Johann Obermeier
    Johann Obermeier
    08 окт. 2020 г.

    The reason for this is the 2M build linker script (not supported) used.

    Original Tasmota is built with 1M no SPIFFS. Using a different variant will

    result in a brick when using orig. Tasmota version for upgrade.

    It will be just luck when device recovers with Fast Power Cycle Device Recovery procedure


    To say it crystal clear, the issue is generated from the Athom firmware variant.

    I am one of the admins of Tasmota Discord and a contributer of Tasmota


    Official Athom can contact me on Discord.


    Sincerly Jason2866

    https://discord.gg/Ks2Kzd4

    Лайк

    K
    Khoa Ton
    Khoa Ton
    08 окт. 2020 г.


    Лайк

    K
    Khoa Ton
    Khoa Ton
    08 окт. 2020 г.

    Tried "Fast Power Cycle Device Recovery" at: https://tasmota.github.io/docs/Device-Recovery/

    This did not work. Will be trying serial reflash next...


    Any hint as to how to serial flash this device?


    Looks like the GPIO pins are exposed. Would you have the pinouts? Need GND, VCC, TX, RX at minimum, and GPIOs would be wonderful!


    Thanks!

    Лайк
    23 комментария
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