Unable to connect with Firmware Upgrade tool in windows 7



  • I have tried the sugestions i have found in similar treads in this forum with no success.

    When i try to upgrade i get unable to connect
    0_1483568551897_upload-31124b1f-7deb-415c-9311-92dffb68bc7c

    i can connect with putty and then get

    ets Jun 8 2016 00:22:57

    rst:0x1 (POWERON_RESET),boot:0x3 (DOWNLOAD_BOOT(UART0/UART1/SDIO_REI_REO_V2))
    waiting for download

    i have used flash debug tool and got this
    0_1483568681113_upload-75562d4c-950a-4755-a81d-2bbfa5ed2dac

    i have one Expansion Board and two LoPy and they behave the same.

    what else can i do?



  • I found the problem, the jumper for the TX pins were missing, i used the BAT jumper for the time beeing.
    Now the upgrade works,

    Thanx for the link, that was one post i had not read yet.




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