Fruit Cloud Technology ESP8266 Tutorial Study (i)

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)