User's Manual

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5.4.29 AT+UUIDSVR128 set service 128bit UUID
Command
Response
Inquiry
AT+UUIDSVR128?
+OK=[para]
Set
AT+ UUIDSVR128=[para]
+OK：success
+ERR=[NUM]：error
Parameter
para(HEX):16 bit uuid.
Note
1、 Take effect immediately, save when power off
2、 The second and third byte are16 bit uuid, range from 1~65535;
3、 The 128 bits UUID, except for the second and third bytes, is also used for the basic
UUID of the slave channel, the master channel, and the configuration channel. (For
the description of uuid, refer to "BLUETOOTH SPECIFICATION Version 5.0 |
Vol 3, Part B 2.5.1 UUID》).
For example,
Set 128bit UUID：
“11 22 33 44 55 66 77 88 99 00 aa bb cc dd ee ff”(HEX)
AT command is（HEX）：
61 74 2b 75 75 69 64 73 76 72 31 32 38 3d 11 22 33 44 55 66 77 88 99 00 aa bb cc dd ee ff
5.4.30 AT+UUIDSVR Bluetooth service UUID
Command
Response
Inquiry
AT+UUIDSVR?
+OK=[para]
Set
AT+UUIDSVR=[para]
+OK：success
+ERR=[NUM]
：error
Parameter
para(HEX):0-FFFF
default：FFF0
Note
1、Take effect immediately, save when power off
2、For the master, the service UUID is a necessary condition for connection filtering, so when setting the
master service UUID, it must be consistent with the slave, otherwise the connection cannot be established.
5.4.31 AT+UUIDSLAVE SLAVE CHANNEL characteristic UUID
Command
Response
Inquiry
AT+UUIDSLAVE?
+OK=[para]
Set
AT+UUIDSLAVE=
[para]
+OK：success
+ERR=[NUM]：error
Parameter
para(HEX): 0-FFFF
Default：FFF1
Note
1. Take effect immediately, save when power off
2. Slave channel. Used to send data from the slave and receive data from the master.