该电路由AT89C51单片机，CD4511*3为BCD-七段锁存/译码/驱动器，LED共阴数码管，磁敏霍尔元件组成。 ,The circuit from the AT89C51 single-chip, CD4511* 3 for the BCD-Seven-Segment Latch/Decoder/Driver, LED digital tube were negative, magnetic components敏霍尔.

简易数字钟： 采用分成次设计，实现时分秒显示，下载到CYLONE 在线编程版上 用试验箱的七段译码管显示-Simple digital clock: The time is divided into the design, implementation, when minutes and seconds display, download to online programming CYLONE chamber version on the Seven-Segment Decoder w

seven segment decoder and Counter Program (10 hex)