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③. Set the serial port debugging parameters (Baud rate: 115200bps, data bit: 8bit, parity bit: no parity, stop bit: 1bit).
(See the figure below)
④. Next, we will enter AT command mode for simple configuration.
a. Start serial debugging, enter the command "++++" in the send text box (please don't add line break), click Send to
start sending command.
b. If the serial port returns the message "Entered AT mode", it indicates that it has entered the AT command mode,
otherwise reset and retry the above steps.
⑤. First, set the mode to STA mode.
a. Enter the AT command "AT+ROLE=STA" (please add a line break, i.e. add the Enter key after entering the
command "AT+ROLE=STA") in the Send text box of the serial debug assistant, and click Send to send the command.
b. If the message "Set STA mode" is displayed on the serial port, it means that it has been set to STA mode successfully,
otherwise, please operate the above steps again.
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