Content
1. Product Profile ............................................................................................................................................................1
1.1 Overview ....................................................................................................................................................... 1
1.2 Product Characteristics ..................................................................................................................................1
1.3 Product Packaging .........................................................................................................................................1
1.4 Technical Specifications ................................................................................................................................2
1.5 Pins Introduction ........................................................................................................................................... 3
2. Functional Description ............................................................................................................................................... 4
2.1 WiFi Indicator Flashing Description .............................................................................................................4
2.2 Wifi Connection Status Indicator Pin ............................................................................................................5
2.3 Socket Connection Status Indicator Pin ........................................................................................................5
2.4 One-click Distribution Mode ........................................................................................................................ 5
2.5 Web Distribution Function ............................................................................................................................ 6
2.6 Serial to WIFI STA ........................................................................................................................................7
2.7 Serial Port Working State Conversion .......................................................................................................... 8
2.8 Serial Port-network Data Conversion........................................................................................................... 8
2.8.1 Module as TCP Server ......................................................................................................................... 8
2.8.2 Module as TCP Client........................................................................................................................ 9
2.8.3 Module as UDP Server .......................................................................................................................9
2.8.4 Module as UDP Client ..................................................................................................................... 10
2.9 Application Areas ...................................................................................................................................... 10
3. AT Instructions ..........................................................................................................................................................10
3.1 Query Current Module Version: at+ver .......................................................................................................11
3.2 Local Port Operation: at+CLport ................................................................................................................ 11
3.3 Set up Serial Port: at+uart ........................................................................................................................... 12
3.4 Set up DHCP: at+dhcpc .............................................................................................................................. 12
3.5 Set up Wifi Connection Mode: at+netmode ................................................................................................12
3.6 Set up TCP Connection Mode: at+mode .................................................................................................... 12
3.7 Set up Remote IP When Modules Work as Client: at+remoteip .................................................................13
3.8 Set up Remote Port When Module Act as Client: at+remoteport ...............................................................13
3.9 Set Parameter Submission: at+net_commit ................................................................................................ 13
3.10 System Restart: at+reconn .........................................................................................................................13
3.11 Set the Module's ssid and Password: at+wifi_conf ...................................................................................14
3.12 Set up Socket Connection Protocol: at+remotepro ...................................................................................14
3.13 Set Network Connection Parameters: at+net_ip .......................................................................................14
3.14 Query Network Connection Status in STA Mode: at+wifi_ConState ...................................................... 14
3.15 Query Module MAC Address: at+Get_MAC ...........................................................................................15
3.16 Set the Frame Length: at + uartpacklen ....................................................................................................... 15
4. Upgrade Introduction ............................................................................................................................................... 17
3.17 Set the Frame Time:at+uartpacktimeout
