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OTA Update Issues with Smart Switch BK7231N on Firmware 1.17.726

Tilator 783 2
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  • DS18B20 pull-up on GPIO9 blocked OTA update

    #1 21271535
    Tilator
    Level 12  
    Posts: 139
    Help: 2
    Rate: 13
    Is there some difficulties in OTA update?

    Smart switch having BK7231N and 1.17.726 does not accept OTA update. I did try it both ways (webapp and config changing from https to http) and neither of them does work.

    Is new FW too big to fit in memory or something else?

    ********************************************************

    Propably something else:

    Unsoldering DS1820 pull up resistor from GPIO 9 resolved this.
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  • #2 21274800
    p.kaczmarek2
    Moderator Smart Home
    Posts: 14701
    Help: 656
    Rate: 12747
    Interesting, did the problem occur even with DS1820 driver disabled?
    Helpful post? Buy me a coffee.
  • #3 21274850
    Tilator
    Level 12  
    Posts: 139
    Help: 2
    Rate: 13
    >>21274800

    Yes it did. Several times. I did try it driver enabled and disabled.

    After unsoldering pull up resistor it went fine right away.
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