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ESP8266 baud rate setting not persistent

PostPosted: Mon Jun 15, 2015 6:56 pm
by nickml
My ESP8266 came in the mail today (wasn't expecting it till the end of the month.) I have found that I can set the baud rate to 9600 but upon a power cycle it resets to 115200. Don't know if it's a bug that's been fixed in a later firmware version, although it appears to be a recent firmware version. I read someone had the same issue a few months ago.

Code: Select allAT+GMR

AT version:0.23.0.0(Apr 24 2015 21:11:01)
SDK version:1.0.1
Ai-Thinker Technology Co. Ltd.
Apr 27 2015 13:55:14

OK

Re: ESP8266 baud rate setting not persistent

PostPosted: Tue Jun 16, 2015 4:19 pm
by tytower
have a read in the wiki. The firmware on the chip sets it and it starts at 74880 then shifts to 115200 but you can override that behaviour but you will have to research it.

Re: ESP8266 baud rate setting not persistent

PostPosted: Mon Aug 03, 2015 6:37 pm
by hoodoo
I'll post and answer rather then some cryptic non-sense.

AT+CIOBAUD=9600 is not persistent when the ESP8266 is reset.
AT+IPR=9600 kills the ESP8266 and you will have to reflash the firmware to get it working again.
AT+UART=9600,8,1,0,0 will set the baud speed to 9600 and it is persistent after a rest.

Re: ESP8266 baud rate setting not persistent

PostPosted: Tue Aug 04, 2015 5:45 pm
by tytower
hoodoo wrote:I'll post and answer rather then some cryptic non-sense.


What's that supposed to mean Chum?