Cant start after flash

  • Hello,
    I just buy a fipy, but no extension board.
    I try to flash the firmware with a serial converter as explained here, with the update software.
    Flash succeed, but if I try to boot the device I only have this on serial connection:

    ets Jun  8 2016 00:22:57
    rst:0x1 (POWERON_RESET),boot:0x12 (SPI_FAST_FLASH_BOOT)
    configsip: 0, SPIWP:0xee
    mode:DIO, clock div:1
    entry 0x400a05e4

    And sometimes errors and satck trace.
    Have an id what's going wrong?
    Thank you for the help

  • Ok solved using 5v as vcc nor 3.3v for the boot

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