Use this forum to chat about hardware specific topics for the ESP8266 (peripherals, memory, clocks, JTAG, programming)

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By Anubis801
#72756 I found a bug on the UART pass through firmware.
When you change the baud rate with "AT+IPR=9600" and power off the module,
it becomes unresponsive to any command on its RX line,
and it also defaults to a baud rate of 74880.

To recover from this a fresh firmware flash is needed.

With regards,
Andrea Campagnolo