硬件资源：51单片机，DS12C887，DS18B20，NOKIA5110液晶，五个独立键盘，蜂鸣器，由以上资源组成的万年历系统，通过编写的软件实现了日期温度的显示以及日期的调节闹钟的设置温度上下限报警设置。-Hardware resources: 51 microcontroller, DS12C887, DS18B20, NOKIA5110 LCD, five separate keypad, buzzer, formed from the above resources, calendar system, the software implementation through the preparation of the date of temperature display and adjust the date of upper and lower temperature alarm settings alarm settings.