• tried to flash Espruino on a ESP8266 (NodeMCU, doit.am version) and got:

    Chip is ESP8266EX
    Uploading stub...
    A fatal error occurred: Failed to write to target RAM (result was 0107)
    • esptool v2.2-dev
    • tested with 5V, 3.3V (from breadboard power supply mb102) and USB power (from laptop)
    • fails on any esptool command (erase_flash, write_flash, chip_id, ...)
    • correct data cable (some power only cables made me loose some time)
    • same problem on lower baudrates (eg 9600)

    bootloader terminal ( 74880,8,N,1 ):

     ets Jan  8 2013,rst cause:2, boot mode:(3,7)

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