基于89E51，nokia5110液晶，ds1302开发的日历显示，可设定8个闹钟，时间实时显示。-Based 89E51, nokia5110 LCD, ds1302 development calendar display, 8 alarm can be set, real time display.

使用了SST带仿真功能的单片机89E51，在Keil中开发，通过设置中断时间长短模拟了警报声音。-The use of the SST with the single-chip emulation function 89E51, in Keil in the development, by setting the length of time to simulate the interruption of the voice alarm.

使用了Keil环境开发，用SST的89E51单片机采集了温度传感器的信号，AD转换后用LED显示。-Using the Keil development environment, using the 89E51 Singlechip SST collected temperature sensor signal, AD converted with LED display.