摘要
介绍一种基于PC通信的数字电压表的设计方法,该表由硬件和软件两部分构成,硬件主要包括数据采集电路、LED显示电路、单片机与PC的接口电路;软件主要有单片机数据采集与显示程序、单片机与上位机通信程序、上位机数据处理程序。调试结果表明,该系统样机既可以完成现场数据的测量与显示,又可以通过串行通信将测量数据传送给PC,并在PC上进行显示。
Introduces a design method to digital voltmeter,the digital voltmeter consists of hardware and software,the hardware mainly includes the data-sampled circuit,the LED display circuit,the single-chip microprocessor and the interface circuit of PC.The software includes mainly the data-sampled and display program of the single-chip microprocessor,the communication program of the single-chip microprocessor and PC,the data process program of computer.The debugging result shows that this prototype is capable of measuring and displaying the field data,the measuring data can also be delivered into PC through serial communication,and the data processed can be displayed on PC.
出处
《现代计算机》
2010年第8期174-176,200,共4页
Modern Computer
