HC-05 Bluetooth Module Basic use

1. Enter at mode

En input high + press and hold the button, then power on, enter at mode, but at the command can only input once, the next time to enter at the need to re-enter

2. The serial port baud rate is set to 38400, carries on the instruction operation in the mode

3. Basic AT command

At+orgl Restore factory settings

At+name =newname Change bluetooth name

AT+ROLE=0/1/2 0: From Mode 1: Main Mode 2: Loopback test

at+9600,0,0 9600 baud rate, 1 bit stop bit, no checksum

3.HC05 Bluetooth module and mobile phone connection

Set module to slave mode

4. Two X HC05 module connection

One master, the other from, note that the baud rate setting is the same, and then power on, will automatically connect

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HC-05 Bluetooth Module Basic use