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I have found a similar qustion to mine but there was no good response.

I've connected my ESP8266 to Arduino UNO.

Then I got some trouble with software serial communication with Arduino and decided to change baud-rate to 9600 (previously it was 115200).

I used AT+IPR=9600 command to change it.

After that blue led of esp stays on and not taking AT commands any more, but output some gibberish to serial monitor.

Note: I connected the esp8266 through a voltage regulator and a power source and both gave the same problem. My firmware is supposed to be updated so I don't think that it is the issue.

Could anyone please help me?

William Vella
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1 Answers1

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Did you change the firmware? I think Baud rate can be changed only if you flash it with newer version of the firmware.

NccWarp9
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