| 基于51单片机的数字电压表仿真设计 |
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| 引用本文： | 刘敏娜,潘宏侠,王乔.基于51单片机的数字电压表仿真设计[J].山西电子技术,2011(2):46-47,64. |
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| 作者姓名： | 刘敏娜 潘宏侠 王乔 |
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| 作者单位： | 中北大学机械工程与自动化学院,山西太原030051 |
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| 摘 要： | 设计采用AT89C51单片机、A/D转换器ADC0808和共阳极数码管为主要硬件,分析了数字电压表Proteus软件仿真电路设计及编程方法。将单片机应用于测量技术中,采用ADC0808将模拟信号转化为数字信号,用AT89C51实现数据的处理,通过数码管以扫描的方式完成显示。设计的数字电压表可以测量0~5 V的电压值,AT89C51为8位单片机,当ADC0808的输入电压为5V时,输出数字量值为＋4.99V。本设计电路简单、成本低、性能稳定。
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| 关 键 词： | 数字电压表 51单片机 ADC0808 数码管LED |
Simulation Design of Digital Voltage Meter Based on 51 SCM |
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| Liu Min-na,Pan Hong-xia,Wang Qiao.Simulation Design of Digital Voltage Meter Based on 51 SCM[J].Shanxi Electronic Technology,2011(2):46-47,64. |
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| Authors: | Liu Min-na Pan Hong-xia Wang Qiao |
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| Affiliation: | (School of Mechanical Engineering and Automation,North University of China,Taiyuan Shanxi 030051,China) |
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| Abstract: | Digital voltage meter is called DVM for short.It adopts the design of digital measurement technology.The design uses AT89C51 single-chip,A/D converter ADC0808 and LED digital tube as the main hardware,and it analyzes the digital voltage meter Proteus circuit simulation software design and programming method.In the design,an AT89C51 is taken as controller,and the ADC0808 is used to convert analog signal into digital signal,and the LED is used to display the measured value by scanning.This digital voltmeter is designed to measure the voltage value of 0~5 V.AT89C51 is 8-bit microcontroller.When the ADC0808＇s input voltage is 5 V,the output digital value is ＋4.99 V.The design in this paper is simple,low cost and stable performance. |
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| Keywords: | digital voltage meter 51SCM ADC0808 LED digital tube |
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