基于QT的界面程序设计，.QT界面设计与编程。QT设计LED灯控制，设计方案自由发挥，可以单个控制LED灯、也可以流水灯的控制，可控制流水灯的频率（1-5HZ可选）。-QT-based interface programming, .QT interface design and programming. QT LED light control design, the design freedom to play, individually controllable LED light, you can also control the flow of the lamp can control the frequency of light water (1-5HZ optional).