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By Alex B
#92406 When i try to flash my ESP-01 it blinks on the esptool down lines when connecting.After the 7 Connection attempts it stops flashing and esptool gives a fatal error:
A fatal error occurred: Failed to connect to ESP8266: Timed out waiting for packet header
Also for programmer im using a CH430 USB to TTL Converter just like https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fi1.wp.com%2Fwww.arjunsk.com%2Fwp-content%2Fuploads%2F2016%2F10%2Fesp_programmer.jpg%3Ffit%3D595%252C522&f=1&nofb=1 this one.
Also im using Ubuntu 20.04 with Linux kernel version 5.4.I have Windows 10 as dual boot too.
So please if you could help me to flash my ESP-01
Thanks in advance!
User avatar
By prgvitor
#92499
Alex B wrote:When i try to flash my ESP-01 it blinks on the esptool down lines when connecting.After the 7 Connection attempts it stops flashing and esptool gives a fatal error:
A fatal error occurred: Failed to connect to ESP8266: Timed out waiting for packet header
Also for programmer im using a CH430 USB to TTL Converter just like https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fi1.wp.com%2Fwww.arjunsk.com%2Fwp-content%2Fuploads%2F2016%2F10%2Fesp_programmer.jpg%3Ffit%3D595%252C522&f=1&nofb=1 this one.
Also im using Ubuntu 20.04 with Linux kernel version 5.4.I have Windows 10 as dual boot too.
So please if you could help me to flash my ESP-01
Thanks in advance!



Try connecting the RST and GPIO0 pins to GND so it goes into flash mode.

Thanks