基于sep3203的多功能数字钟设计，功能包括实时时钟显示，闹钟，矩阵键盘设置时钟和闹钟，报时，TFT真彩LCD液晶显示等等，由ADS1.2编译-Sep3203-based multi-functional digital clock features include real-time clock, alarm clock, matrix keyboard to set the clock and alarm clock, timer, TFT LCD LCD ADS1.2 compiled