ESP8266 Community Forum

- Thu Sep 24, 2015 3:23 am #29760 hello
i have esp-1 module , attached to TTL/USB and a 3.3 regulator similar to this item
http://www.ebay.com/itm/ESP8266-ESP-01- ... 1519483801

i used it for lua firmware flashing and as well as lua loader and everything seems ok

but when i use it with arduino ide i cant upload and get these errors

.error: failed sending 1040 bytes
.error: failed sending 1040 bytes
.error: failed sending 1073 bytes
.error: failed sending 1081 bytes
.error: failed sending 1087 bytes
.error: failed sending 1092 bytes
.error: failed sending 1092 bytes
.error: failed sending 1069 bytes
.error: failed sending 1062 bytes
.error: failed sending 1078 bytes
.error: failed sending 1052 bytes
.error: failed sending 1066 bytes
.error: failed sending 1066 bytes
.error: failed sending 1057 bytes
.error: failed sending 1063 bytes
.error: failed sending 1060 bytes
.error: failed sending 1076 bytes
.error: failed sending 1063 bytes
.error: failed sending 1052 bytes
.error: failed sending 1071 bytes
warning: espcomm_send_command: didn't receive command response
warning: espcomm_send_command(FLASH_DOWNLOAD_DATA) failed
warning: espcomm_send_command: wrong direction/command: 0x01 0x03, expected 0x01 0x04


any help please ?

thanks

- Thu Sep 24, 2015 4:09 am #29764 warning: espcomm_send_command: wrong direction/command: 0x01 0x03, expected 0x01 0x04
Hi, the last time I saw this posted it was a faulty UBS->UART device. That said there may be other reasons for this. It might be worth trying to flash with lua firmware just to check it's ok.