User's Manual
Table Of Contents
- 1.Product Profile
- 2.Functional Description
- 2.1 WiFi Indicator Flashing Description
- 2.2 Wifi Connection Status Indicator Pin
- 2.3 Socket Connection Status Indicator Pin
- 2.4 One-click Distribution Mode
- 2.5 Web Distribution Function
- 2.6 Serial to WIFI STA
- 2.7 Serial to WIFI AP
- 2.8 Serial Port Working State Conversion
- 2.9 Serial Port-network Data Conversion
- 2.10 Application Areas
- 3. AT Instructions
- 3.1 Query Current Module Version: at+ver
- 3.2 Local Port Operation: at+CLport
- 3.3 Set up Serial Port: at+uart
- 3.4 Set up DHCP: at+dhcpc
- 3.5 Set up Wifi Connection Mode: at+netmode
- 3.6 Set up TCP Connection Mode: at+mode
- 3.7 Set up Remote IP When Modules Work as Client
- 3.8 Set up Remote Port When Module Act as Client:
- 3.9 Set Parameter Submission: at+net_commit
- 3.10 System Restart: at+reconn
- 3.11 Set the Module's ssid and Password: at+wifi_
- 3.12 Set up Socket Connection Protocol: at+remote
- 3.13 Set Network Connection Parameters: at+net_ip
- 3.14 Query Network Connection Status in STA Mode:
- 3.15 Query Module MAC Address: at+Get_MAC
- 3.16 Set the Frame Length: at + uartpacklen
- 3.17 Set the Frame Time:at+uartpacktimeout
- 3.18 Set Bluetooth Name: at+ble_name
- 3.19 Configuration Software Description
- 4.Upgrade Introduction
- 8. Appendix A Document Revision
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2.8.4 Module as UDP Client
Figure 12. UDP Client
In this mode, the module sends the serial port data directly to the specified ip, port, and the data
returned from the server will be sent to the serial port.
2.9 Application Areas
Smart home;
Instruments and instruments;
Wi-Fi remote monitoring / control;
Toy field;
Color LED control;
Fire protection, security intelligent integrated management;
Smart card terminals, wireless POS machines, handheld devices and so on.
3. AT Instructions
The AT command mode is displayed
ES/RST pin:
In any state, keeping GPIO0 pin (pin 16) low for a time greater than Tes(50ms) and less than Trst(3s) will
immediately enter the AT command mode.
UDP Server
UDP Client