基于AT89S51的多路数字电压表设计  

Design of Multi-Digital Voltmeter Based on AT89S51

作　　者：李萍[1] 

机构地区：[1]浙江水利水电学院

出　　处：《电子世界》2017年第12期196-197,共2页Electronics World

摘　　要：介绍一种以AT89S51单片机控制核心的高精度小型数字电压表设计,该设计的硬件电路主要由多路电压输入信号、A/D转换模块、数据处理模块及显示驱动模块等组成。软件上采用C语言编程,给出了主程序的设计流程,最后通过Proteus仿真调试验证了设计结果的正确性。该设计具有电路简洁、成本低、测量精度高、易于扩展等优点,可广泛应用于多路电压测量的各个领域。This paper introduces a kind of the high-accuracy multi-digital voltmeter based on AT89S51.The hardware circuit of this design is mainly composed of multi-channel voltage input signal,A/D conversion module,data processing module and display driver module.The software is programmed with C language,and the design flow of the main program is given.Finally, the correctness of the design is verified by Proteus simulation debugging.The design has the advantages of simple circuit, low cost, high measurement accuracy and easy expansion,and can be widely used in various fields of multi-channel voltage measurement.

关 键 词：电压表 多路输入 AT89S51 Proetus C语言 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]