基于嵌入式编写的一个qt可视化控制系统，该系统实现了密码解锁，射频卡解锁，远程解锁、天气和时间显示等等功能！-Embedded write a qt visual control system, the system password to unlock RF card unlock, remote unlock, weather and time display function!

QT 的两个比较简单的demo程序，weather是如何从网上获取指定地点的天气信息，event是一个事件例子程序-Two QT relatively simple demo program, weather is how to get to the designated location weather information from the Internet, event program is an example of an event