51单片机，用DS1302实现数码管时钟（可调节年月日周时分秒）+闹钟（定时器驱动speaker,"两只老虎"），用DS18B20实现温度测量。实验板上功能调试OK,并带中文说明。-51 single-chip, using the DS1302 & digital tube clock (date can be adjusted)+ alarm clock (timer-driven speaker can be adjusted), with the DS18B20 temperature measurement. The experimental board function debug OK, and with Chinese instructions.