Pico-BLE User manual
版本：
V1.0
，日期：
2021
年
12
月
16
日
5 / 10
AT+TN
Query BLE Bluetooth
address
See：Set the name and address of bluetooth
AT+TD
Query SPP Bluetooth name
See：Set the name and address of bluetooth
Module baud rate setting and query
AT+CT??\r\n
Baud rate setting command, ?? represents the serial number of the baud
rate
AT+QT\r\n
Baud rate query command, return QT+?? ?? represents the serial number
of the baud rate
Baud rate serial number
01
02
03
04
05
06
07
9600
19200
38400
57600
115200
256000
512000
08
09
10
11
12
13
230400
460800
1000000
31250
2400
4800
1. Once the baud rate is set, the chip will memorize it. The next time you turn it on,
the baud rate will be the one you set.
2. After setting the baud rate, please wait for 1 second, then send the reset [AT+CZ],
or power off.
3. If you want to restore the default baud rate, please send the command to restore
the factory settings, then the chip will automatically erase all configurations
Module reset and factory reset
Reset command： AT+CZ\r\n
Please wait one second after entering the reset command
