这是一款电子钟的设计代码，利用C51作为主控芯片，外围有共阴极数码管、DS18B20温度传感器、锁存器等。实现的功能是显示实时日期、时间、温度。并且能够设置日期时间以及闹钟。-This is an electronic clock design code C51 as the master chip, common cathode LED, DS18B20 temperature sensor, latches and other peripherals. Achieve the function is to display real-time date, time, and temperature. And the ability to set the date, time and alarm clock.