Pico-BLE User manual
版本：
V1.0
，日期：
2021
年
12
月
16
日
3 / 10
Product use
Communication format
Support asynchronous serial communication mode, accept commands sent by the host computer through the serial port
Communication Standard:
115200 bps
--- Users can set through serial port commands, see:
setting and query
Data bits: 8
Stop bits: 1
Parity bits: none
Flow control: none
Note: The design of all instructions is regular, not randomly divided, you can find the rules by comparing
the following
Control command format: AT+<CMD>[<param>]\r\n
---- All are characters, not hex numbers
Data Feedback Format:：<IND>[<param>]\r\n
Data
characteristics
Detailed description
AT+
The control command is the control command given by the control host to the module,
starting with "AT+"
<CMD>
Followed by <CMD> control, usually 2 characters
[<param>]
If there is a parameter after CMD, it is followed by [<param>]
\r\n
Finally, it ends with "\r\n", the character type is linefeed, and windows is the
enter key. 0x0D, 0x0A in hex
<IND>
1、Data feedback is that Bluetooth feeds back various status and data information
to the host, starting with <IND>
