Chengdu Ebyte Electronic Technology Co.,Ltd
E104-BT53C3 Manual User
Copyright ©2012–2020
，Chengdu Ebyte Electronic Technology Co.,Ltd
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6.3.23 Serial baud rate
Command
Reply
Inquire
AT+BAUD?
+BAUD =[para]
Setting
AT+BAUD=[para]
+OK：Success
+ERR=[NUM]：Error
Parameters
para:Serial port baud rate. valuableness:
1200,2400,4800,9600,14400,19200,38400,57600,115200,230400,460800,921600。默认值 115200。
Description
Restart takes effect, power failure save.
Example
Example Query the baud rate of the current serial port
Instruction: AT+BAUD?
Return: +BAUD=115200
Example Set the baud rate of the serial port to 9600
Command: AT+BAUD=9600
Return: +OK
6.3.24 Connection interval
Command
Reply
inquire
AT+CONN_INTERVAL?
+ CONN_INTERVAL =[ para]
Setting
AT+ CONN_INTERVAL =
[ para]
+OK：Success
+ERR=[NUM]：Error
Parameters
para: connection interval. The value ranges from 6 to 3200. Connection interval = the value
x 1.25, in ms. The default is 20ms.
Description
Effective immediately, power off save;
When connecting to the mobile phone, the recommended connection interval is not less than
20ms;
The longer the connection interval, the longer the update time.
The larger the connection interval, the slower the data forwarding and the lower the dynamic
power consumption.
Example
Query connection interval
Command: AT+CONN_INTERVAL?
Return: +OK=16
Set the connection interval to 100ms. 100 divided by 1.25=80
Command: AT+CONN_INTERVAL=80
Return: +OK
6.3.25 APP configuration authentication
Command
Reply
Setting
AT+AUTH =[para]
+OK：success
