User's Manual

OK\r\n
2. Send inquiry：
AT+NAME?\r\n ——Query module device name
return：
+NAME=BT18r\n ——Return module device name：“ BT18”
5、Set/Query - Serial Port Baud Rate:
Function Command Response Description
Query module baud AT+BAUD?\r\n +BAUD=<baud>\r\n <baud> Baud rate
corresponding serial
number 1:9600
2:19200
3:38400
4:115200
Default BAUD:1(9600)
Set the module baud AT+BAUD=<ba
ud>\r\n
+BAUD=<baud>\r\n
OK\r\n
Note: The module must be re-powered after setting the baud rate, enabling the new baud rate
for data communication and AT command resolution.
Example: Setting the Serial Port Baud Rate: 38400
1. Send Settings:
AT+BAUD=3 \r\n
return：
+BAUD=3\r\n
OK\r\n
2. Send inquiry：
AT+BAUD?\r\n
return：
+BAUD=3\r\n
OK\r\n
6、Set/Query Pairing PIN:
Function Command Response Description
Query module SPP
pairing code
AT+PIN?\r\n +PIN=<pin>\r\n <pin> pairing PIN
Default PIN:1234