功能简介：硬件时钟，在数码管上交替显示时间，年月日，并且配有3v电池，掉电表仍在走，真正的实现了硬件日历时钟的效果。1602液晶是一款带英文字库而不带汉字字库的液晶显示器，价格适中，在工业领域和民用领域中有着广泛放入应用。本程序演示该液晶基本的使用方式，显示几行英文字符，在大家熟悉该液晶以后，就可以灵活的运用，制作出效果动态、菜单效果、指针效果等。-Features: Hardware clock, alternately in the LED display time, year, month day, and with a 3v battery meter still go out, the real hardware to achieve the effect of the calendar clock. 1602 LCD with English character is a font with Chinese characters instead of the LCD, the price is moderate, in the industrial field and into the civilian areas have broad application. This program demonstrates the basic use of the LCD display a few lines of English characters, while everyone is familiar with the LCD after the use of the flexibility to produce the effect of dynamic, menu effects, pointer effects.