ESP8266 Community Forum

- Thu Jul 23, 2015 12:13 pm #24029 Hello there!sorry if i m posting in a wrong session..i just bought two esp8266 modules and this https://www.sparkfun.com/products/9873 ftdi module.i did the wiring like this https://www.youtube.com/watch?v=9QZkCQSHnko .the problem is that when i try to upload some code,it says error epcomm_open failed error..tried a lot of things with no luck..any ideas?

EDIT:i ve also tried this tutorial http://rancidbacon.com/files/kiwicon8/E ... _1.0.4.pdf
and surprisingly,when i hook up the esp (open serial monitor) i get this: ready.
but when i try to send AT or AT+RST nothing happens.it just writes the command i ve send in the serial monitor.
what could it be??

- Thu Jul 23, 2015 12:18 pm #24032 Are you sending both CR+LF after the AT command, not only CR ?

- Thu Jul 23, 2015 12:22 pm #24033 you mean if i have chosen on the bottom of the window :both nl and cr?if that,i tried even this or the Carriage return one.

- Thu Jul 23, 2015 12:58 pm #24041 Some terminal program at buggy even with this kind of option, they are sending LFCR instead of CRLF which confused the AT parser. Try it manually on the keyboard <enter>+<ctrl-J>.