User's Manual
Table Of Contents
- Overview
- Parameters
- Description of Indicator Light and button
- Description of the authentication mode
- Parameter configuration
- Testing Command
- Parameter Setting Mode Indicate
- Inquire/Set Device Name
- Inquire Local Bluetooth Address
- Inquire/Set Remote Bluetooth Address
- Clear Remote Bluetooth Address
- Inquire Software Version
- Inquire/Set Device Role
- Set/Inquire Baud Rate
- Set/Inquire Flow Control Mode
- Set/Inquire Authentication Mode
- Set/Inquire Password
- Scan Around BLE Device
- Stop Scanning
- Inquire/Set Parameters of Connection-control
- Set/Inquire Scan Parameter
- Set/Inquire Broadcasting Interval
- Set/Inquire Transmit Power
- Set/Inquire BLE Data Communication Service UUID
- Set/Inquire BLE Data Communication Characteristic TXD UUID
- Default value: 0000 b351d6d8c7ecbdf0eab1bfc6bcbc
- This channel is used by the adapter to send data to the opposing BLE Bluetooth device.
- Set/Inquire BLE Data Communication Characteristic RXD UUID
- Default value: 0000 b352d6d8c7ecbdf0eab1bfc6bcbc
- This channel is used by the adapter to receive data from the other BLE Bluetooth device.
- Reset to Factory Default
- Restart the adapter
- OTA instructions
- Application examples
- Common Questions
19
IX.
Common Questions
1. How to send AT command?
The steps are as follows:
Select a serial port communication software (such as super terminal or serial debugging assistant)
to open the connected serial port. The serial port parameters in the parameter setting state are
always configured as 9600bps, 8-n-1, and are independent of the serial port parameters of data
communication set by AT command.
Press the switch button to enable the device to enter the parameter setting state. The flashing
indicator light is off. The serial port should receive "+OPEN: x\r\n", x is the number of devices
remembered. At this time, the instruction can be sent. It should be noted that all the instructions
end with the carriage return line character "\r\n". All instructions will return "\r\nOK\ n" after