6位LED电子钟,非常实用实做过实验，自动报时，秒表-6 LED electronic clock, very useful experiment is done, automatic timer, stopwatch. . .

实现定时器功能，分别有秒针，分钟，小时，到一天后led灯闪烁一下。-To achieve timer function, respectively, seconds, minutes, hours, to one day look after the led light flashes.