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Contents
1. Product description ...................................................................................................................1
1.1. Brief introduction .......................................................................................................... 1
1.2. Product Features ............................................................................................................1
1.3. Technical specifications .................................................................................................2
1.4. Pin introduction ............................................................................................................. 3
1.5. Product Encapsulation ...................................................................................................4
1.6. Block diagram ............................................................................................................... 4
1.7. Base plate description ....................................................................................................5
1.8. Power requirements .......................................................................................................5
1.9. WiFi Transmit power consumption ............................................................................... 5
1.10. WiFi received power consumption ..............................................................................6
1.11. WiFi power consumption in each working mode ........................................................6
1.12. WiFi output power in each mode ................................................................................ 6
1.13. WiFi receive sensitivity in each mode .........................................................................7
2. Functional description .............................................................................................................. 7
2.1. The description of flashing WiFi indicator ....................................................................7
2.2. One-click network configuration mode .........................................................................8
2.3. Serial to WiFi STA .........................................................................................................9
2.4. Serial to WiFi AP .........................................................................................................10
2.5. Serial working state conversion .................................................................................. 10
2.6. Serial to Network Data Conversion .............................................................................11
2.6.1. Module as TCP Server ......................................................................................11
2.6.2. Module as TCP Client ...................................................................................... 11
2.6.3. Module as UDP Server .....................................................................................12
2.6.4. Module as UDP Client ......................................................................................12
2.7. Application Area ..........................................................................................................13
3. AT instruction instructions ......................................................................................................13
3.1. Query the current module version: at + ver .................................................................13
