用于建立域名连接用的代码，能够使之与域名建立连接-For establishing domain connected with the code, and enable to establish a connection with the domain name

实现C51与sim300模块联合后的域名连接功能。-C51 with sim300 module joint domain connectivity.

sim900a通过域名进行GPRS连接，并于上位机服务器进行通信-sim900a GPRS connection through their domain names, and in the host computer to communicate with the server

此源码为STM32f103vet6芯片与ESP8266 WiFi模块的驱动源码，可以连接外网，示例中的为连接新浪的域名和数据库实现通过微信经过外网控制led灯的程序，还有一个新浪sae端的php程序-This source is STM32f103vet6 ESP8266 WiFi chip and module driver source code, can be connected to external networks, for example in connection Sina do