多功能时钟设计，本设计采用LCD液晶屏幕显示系统，以STC89C52RC单片机为核心，由键盘、温度采集、定时闹铃、日期提醒等功能模块组成。-Multifunctional clock design, the design uses the LCD screen display system to STC89C52RC microcontroller core, from the keyboard, temperature acquisition, timer alarm, date remind