一种新型智能电压表的设计

Design of a New Intelligent Voltmeter

设计了一种基于单片机的智能电压表系统.采用了模拟量线性隔离电路,串行接口电路和液晶显示器显示,提高了电压表的精度和性能,降低了电压表的价格,扩展了进行数据通信的功能,有很好的应用前景.

An intelligent DC voltmeter system was designed based on single-chip microcomputer.It used analog variable linear isolation circuit,serial interface circuit,and LCD circuit microcomputer to improve accuracy and reliable performance,decrease the price and extend the function of data communicating.