通过使用esp8266开发编写一个简单地app，这个app可以通过wifi控制led灯的亮和灭。(Through the use of esp8266 development, the preparation of a simple app, this app can be controlled by WiFi LED lights bright and out.)

手机通过局域网与物联网wifi模块8266进行数据通讯，实现遥控开关灯的E4A源代码(The mobile phone uses the LAN and the Internet of things WiFi module 8266 to carry out the data communication, and realizes the E4A source code of the remote control switch light.)