Fruit Cloud Technology ESP8266 Tutorial Study (i)

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I. at directives

The serial port sends the receive AT command to communicate with the ESP8266, noting that all the AT commands end with a carriage return .

such as: command at, return OK indicates ESP8266 normal;

AT+GMR, returns the firmware version number

At+rst, reset

TCP connection: 1. Set WiFi mode; 2. List ap;3. ap;4. View IP (Verify that the connection is successful, such as ERR to exit the AP Reconnect); 5. Establish a TCP connection; 6. Send data (receive data automatically); 7. Close TCP

Fruit Cloud Technology ESP8266 Tutorial Study (i)