I have problem with flash memory on lolin board. Few days ago I was getting files from the board without problem using ampy application, but today I am unable to list, put, remove files from board. So I decided to flash the chip and write firmware again with esp tool.
The result was ok, I have got message about erasing and message about flashing the chip, but when I tried to put new file to the board with command
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sudo ampy --port /dev/ttyUSB0 put blink.py main.py
My question is how can i troubleshot this problem? Is it related to the board or I have missed some flags since not all flash memories are the same?