摘要 本文介绍了AT89C51单片机的性能和特点,利用模拟电子技术,数字电子技术,微机接口原理,超声波等知识,分析了测距仪的现状,对用超声波传感器作为媒介,实现测距功能的可行性做出分析,在此基础上设计出的超声波测距仪。详细地介绍了设计测距仪的思路和所需考虑的问题,给出了实现超声波测距方案的硬件电路,硬件设计系统框图,以及相应的软件程序。
关键词:单片机 超声波 测距仪
Based on single-chip micro-computer rangefinder
Department of electronic information engineering, Class 3,2003
Author: Zeng Haidong
Guidance: Luo Ping lecturer
(Department of electronic science in Huizhou University , Huizhou, Guangdong, 516007)
Abstract This paper introduces the AT89C51 features and performance simulations of electronic technology and digital electronics technology, Computer Interface principle, ultrasonic knowledge of the status of rangefinders, ultrasonic sensors as the medium, Ranging achieve functional analysis of the feasibility, based on the design of ultrasonic range finders. Details on the design rangefinders ideas and the need to be considered, is the realization of the program Ultrasonic Ranging hardware, hardware design system block diagram, and the corresponding software program.
Keywords:Single-Chip microcomputer Ultrasonic rangefinder