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. Serial-to-network data conversion
2.5.1. Module as TCP Server
Pic 9
TCP Server
In this mode, the module monitors the specified port and waits for the TCP Client to connect.
After connection, all TCP data is sent directly to the serial port, and the data from the serial port is
sent to all TCP Clients. When the module is used as a TCP Server, it supports up to 4 A TCP Client
connects to the TCP Server.
2.5.2. Module as TCP Client
Pic 10 TCP Client
In this mode, the module will actively connect to the specified IP and port. All data sent from
the TCP Server will be sent directly to the serial port, and data from the serial port will be sent to the
TCP Server. Abnormal network disconnection will cause the module to reconnect actively.
TCP Server
TCP Client
TCP Client
TCP Client
TCP Client
TCP Server