ESP8266 Community Forum

- Tue Mar 03, 2020 2:58 am #85924 Hello all,

i have a esp8266mod with an arduino. When I use the AT + CWHOSTNAME command I get an error from the module.
Anyone know why?
Thank you in advance for your answers.

Here are the different AT commands that I use :

**********************************************************
**************** DEBUT DE L'INITIALISATION *****
**********************************************************
AT
OK
**********************************************************
AT+CWHOSTNAME="ESP8266"
ERROR
**********************************************************
AT+GMR
AT version:0.50.0.0(Sep 18 2015 20:55:38)
SDK version:1.4.0
compile time:Sep 18 2015 21:46:52
OK
**********************************************************
AT+CWMODE_CUR=3
OK
**********************************************************
AT+CWHOSTNAME="ESP8266"
ERROR
**********************************************************
AT+CWJAP_CUR="SFR-","XXXXXXX"

WIFI DISCONNECT
WIFI CONNECTED
WIFI GOT IP

OK
**********************************************************
AT+CIFSR

+CIFSR:APIP,"192.168.4.1"
+CIFSR:APMAC,"be:dd:c2:e8:bd:a9"
+CIFSR:STAIP,"192.168.0.15"
+CIFSR:STAMAC,"bc:dd:c2:e8:bd:a9"

OK
**********************************************************
AT+CWHOSTNAME="ESP8266"
ERROR
**********************************************************
AT+CIPMUX=1
OK
**********************************************************
AT+CWHOSTNAME="ESP8266"
ERROR
**********************************************************
AT+CIPSERVER=1,80
no change

OK
**********************************************************
***************** INITIALISATION TERMINEE ******
**********************************************************