DS12887实现时钟功能使用lcd1602进行显示。效果很好。同时设有闹钟功能。一旦闹钟触发会播放音乐，音乐可以进行选择-DS12887 clock functions using lcd1602 display. The effect is very good. At the same time with alarm clock function. Once the alarm trigger will play music, music can make a selection