利用AT 89s51单片机及实时时钟集成电路ds1643，设计了一个电子钟系统，实现了日期、时间显示及报时功能。
Use AT89S51 single chip and real-time clock integrated circuit DS1643, designed an electronic clock system, realized the date, time display and reported time.
特点：电子控温电路，实时温度数码显示，低水位声光报警装置。
Characteristics: Electronic temperature-control circuit, real-time temperature numeral display, and low water level acoustooptic alarming device.
状态参数检测电路对循环水的温度、电导率和高频信号的频率进行实时检测，并通过液晶屏显示。
The state parameter detection circuit can detect the temperature, conductivity of the circulating water and the frequency of high-frequency signals. Then display them on the LCD Screen.
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