多功能时钟，LED动态显示年月日，时分秒，星期，还有热键功能-Multi-functional clock, LED dynamic display date, when minutes and seconds, weeks, have hotkey function

通过18B20来显示实时时钟，用8x8数码管来显示当前温度，用DS1302来显示实时时间，通过数码管来显示当前温度和时间可以一目了然-Through the 18B20 to display real-time clock, using 8x8 digital control to display the current temperature using DS1302 to show the real time, through the digital control to display t