以单片机为控制核心，使用DS1302实时时钟日历芯片，可实现较精确的日历显示，整点报时、设定时间到点报时，送信号至蜂鸣器发声提示，同时采用DS18B20温度传感器测量环境温度，并把所要显示的数据送至LCD1602显示。-To the microcontroller core, using DS1302 real-time clock calendar chip, enabling more accurate calendar display, the whole point of time, set the time to the point timekeeping, sending a signal to the beeper, while using DS18B20 temperature sensor measures the ambient temperature, and the data to be displayed to the LCD1602 display.