很灵敏的可控移动方向的花样流水灯，适合初学者加强对IO口和延时的理解-Very sensitive direction of movement of the controlled flow pattern of lights, suitable for beginners to strengthen the IO port and delayed the understanding of

单片机的入门小程序，用它来来扫描键盘，并根据不同的按键方式，显示不同流水灯-Procedures for the entry of small single-chip, to use it to scan the keyboard and buttons according to different methods show different water lights

完美的流水灯程序！！ 大家好好参考！！！真的很不错-The perfect light water programs! ! We make reference to the! ! ! Really nice