Basic hardware and software programming knowledge about ESP8266 Wifi module, including:
(1) ESP8266 wifi chip's features and minimum system;
(2) AT command control ESP8266 by PC;
(3) Setup ESP8266 web server by AT command;
(4) Setup ESP8266 SDK compile environment;
(5) ESP8266 NONOS SDK software timer, hardware timer, gpio led, gpio interrupt, I2C, PWM, Wifi Connect mode coding examples;