Your new topic does not fit any of the above??? Check first. Then post here. Thanks.

Moderator: igrr

User avatar
By Alireza757
#68987 Hello everyone
I have ESP8266 ESP-201 module and arduino uno
I wanted to program esp8266 with arduino uno
but i had this error:
Arduino: 1.8.3 (Windows 10), Board: "Generic ESP8266 Module, 80 MHz, 40MHz, DIO, 115200, 512K (64K SPIFFS), ck, Disabled, None"

Build options changed, rebuilding all
Archiving built core (caching) in: C:\Users\Alireza\AppData\Local\Temp\arduino_cache_253012\core\core_esp8266_esp8266_generic_CpuFrequency_80,FlashFreq_40,FlashMode_dio,UploadSpeed_115200,FlashSize_512K64,ResetMethod_ck,Debug_Disabled,DebugLevel_None_____2b901b6cbb958ebaa8a656a579e6a612.a
Sketch uses 295761 bytes (68%) of program storage space. Maximum is 434160 bytes.
Global variables use 40456 bytes (49%) of dynamic memory, leaving 41464 bytes for local variables. Maximum is 81920 bytes.
warning: espcomm_sync failed
error: espcomm_open failed
error: espcomm_upload_mem failed
error: espcomm_upload_mem failed
And wiring :
esp8266 ------ arduino uno
RX -> RX
TX -> TX
IO0 -> GND
CHP_EX -> 3.3 V

I tried many ways but problem didnt resolve.