Re: esptool.FatalError : Failed to connect to ESP8266
Posted: Mon Jan 04, 2021 2:24 amhey.Did you find the answer to this problem? 
TO CONNECT TO ESP8266 ARDUINO HARDWARE MUST HAVE RX = RX, TX = TX AND RESET PIN OF ARDUINO GND.LATER ;
1. PRESS THE RESET BUTTON
2. PRESS THE FLASH BUTTON
3.RELING THE RESET BUTTON
4. RELEASE THE FLASH BUTTON