- we are using jumper for gpio 0th pin. please refer the below image.
Posts made by Sharmila
RE: PCB Design for ESP32 Stand alone module
Hi All, i m also facing the same error. we are developing an iot device based on esp32d0wdq6 controller. we have designed a board. Now the program is not getting uploaded. the connections are
TTL Converter 3.3v - vcc (ESP32)
TTL Converter gnd - gnd (ESP32)
TTL Converter TXD - RXD (ESP32)
TTL Converter RXD - TXD (ESP32)
GND - GPIO 0 (ESP32)
3.3V - EN (ESP32).
Connecting......................................____An error occurred while uploading the sketch
this is error message i m getting.
A fatal error occurred: Failed to connect to ESP32: Timed out waiting for packet header
FYI, we are using the W25Q40CL flash ic. please help me to sort out this issue.
Thanks in Advance !