ESP8266 Community Forum

Posted: **Thu Jan 21, 2016 12:29 pm**

Hi all,
I have esp8266 WIFI model, i flashed it recently using v1.4.0.0 AT Firmware and i try to connect with it by serial comuunication from computer, i heve two problems with it :
1 - when i send restart command ( AT+RST) it restart but it send me "invalid" message.
2 - If I send connect to Acess point command (AT+CWJAP="XXXX","XXXXXXXX") it connect to this network but it stay restarting.

thanks for your help.

Posted: **Thu Jan 21, 2016 3:53 pm**

I think the "invalid" message is normal, if I remember correctly mine did the same.
How are you powering your ESP?

Posted: **Thu Jan 21, 2016 5:59 pm**

I power it with 3.3v from external circuit.

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ESP8266 return " invalid " message

ESP8266 return " invalid " message

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