课程设计001

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课程设计(论文)说明书

题 目：LCD1602A超声波测距 院 （系）：信息与通信学院 专 业：电子信息工程 学生姓名：梁永升 学 号： 指导教师：王守华

职

2014年 12月 25日

摘 要

STC89C52是STC系列单片机里应用比较广泛的一款，在自动控制领域里享有很高的价值，以其易用性和多功能性受到了广大电子设计爱好者的好评。本次设计主要是利用STC89C52单片机、超声波传感器完成测距系统的制作，以STC89C52为主控芯片，利用超声波对距离的检测，将前方物体的距离探测出来。 关键词：超声波传感器

STC89C52

Abstract

STC89C52 is on STC series single-chip computer is widely used in a, enjoy a very high value in automatic control field, with its ease of use and versatility has been well received by the majority of electronic design enthusiasts. This design mainly use STC89C52 single-chip microcomputer, the production of ultrasonic sensor to complete the ranging system, STC89C52 as main control chip, using ultrasonic to detect distance, will be in front of the distance of the object detection. Keywords: ultrasonic sensor STC89C52

目 录

摘 要 .............................................................................................................................................. 3 Abstract ............................................................................................................................................. 4 引言 .................................................................................................................................................. 6 1 设计方案....................................................................................................................................... 6 2 硬件电路设计 ............................................................................................................................... 7 2.1单片机AT89S51简介 ................................................................................................................ 7 2.2 LCD1602A液晶显示设计 ......................................................................................................... 8 2.3HC-SR04超声波模块 ................................................................................................................. 9 3 程序设计..................................................................................................................................... 10 3.1程序设计内容 ........................................................................................................................... 10 4 心得体会..................................................................................................................................... 11 谢 辞 ............................................................................................................................................ 12 参考文献......................................................................................................................................... 13 附 录 ............................................................................................................................................ 14