User's Manual
Table Of Contents
- 1.Product Introduction
- 2.Function description
- 3. AT command instructions
- 3.1.Basic AT commands
- 3.2.WI-FI related AT commands
- 3.3.TCP/IP Related AT commands
- 3.3.8.Set the framing length of the serial port：at+uartp
- 3.3.9.Set the framing time of the serial port：at+uartpac
- 3.4.BLE related AT commands
- 3.5.Custom message prompt instruction
- Note：This type of command does not have a message
- The maximum length supports 30 bytes. Do not inclu
- 4.AT command control code example
- 5.Bluetooth distribution network and data transparen
- 6.Module power consumption measured data
- 7.Appendix A Document Revision History
User Manual
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HLK-B35
2.5.3. Module as UDP Server
Pic 11 UDP Server
In this mode, the module opens the local designated port. Once the data sent to this port is
received, the module will send the data to the serial port and record the remote ip and port. The
module will only record the remote information of the last connection, and the data sent by the serial
port will be sent directly to the recorded remote ip and port.
2.5.4. Module as UDP Client
Pic 12 UDP Client
In this mode, the module will send serial port data to the specified ip port; the data returned by
the server will be sent to the serial port.
3. AT command instructions
Command format: In the AT command mode, the system can be configured through the AT
command of the serial port. The command format is as follows:
UDP Server
UDP Client
UDP Client
UDP Server