I use esp8266 module with ardunino.I use IDE 2.0 , After set the board and port. I choose a sketch from example.
After compilation, it cannot be upload. Error message is
"esptool.FatalError: Failed to connect to ESP8266: Timed out waiting for packet header"
board set: genetic Esp8266 module; port com 3. It looks like OK, So I wonder why it cannot
be upload to arduino esp8266 module.
What is the lowest vcc voltage for esp8266.
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