基于STC15的一种自动量程及带存储功能数字电压表的研究与设计  

Research and Design of an Automatic Range and Digital Voltmeter with Storage Function Based on STC15

作　　者：车沛强[1] 江华丽[1] CHE Pei-qiang;JIANG Hua-li(Min nan Science and Technology Institute,Fujian Normal University,Quanzhou Fujian 362332,China)

机构地区：[1]福建师范大学闽南科技学院,福建泉州362332

出　　处：《长春师范大学学报》2018年第12期50-53,72,共5页Journal of Changchun Normal University

摘　　要：本文设计了一种以STC15单片机为核心的数字电压表,利用单片机内置的多路高速A/D输入通道,结合外围电路,单片机根据读取到的电压值,切换至合适的输入通道,从而实现量程的自动转换。利用单片机内置的EEPROM,实现对测量数据的存储功能,方便用户查阅。This paper designs a digital voltmeter based on STC15single-chip microcomputer,using inputting A/D multichannel with high-speed which is built-in Single chip microcomputer,combined with the peripheral circuit,the Single chip microcomputer switches to the appropriate input channel according to voltage value,so as to realize the automatic conversion of range.Using the built-in EEPROM to store the measurement data,which is Convenient for users to check.

关 键 词：数字电压表 单片机 A/D转换 量程自动转换 EEPROM 

分 类 号：TP368.2[自动化与计算机技术—计算机系统结构]