利用DS1302计时、DS18B20温度传感器检测温度、LCD1602显示。另有四个按键设置时间，日期，星期，温度报警上限和下限。并附有PROTEUS仿真文件。-Use DS1302 timing, DS18B20 temperature sensor detects the temperature, LCD1602 display. Another four buttons to set the time, date, week, temperature alarm upper and lower limits. Together with PROTEUS simulation files.