目 录
摘要 :倒车雷达作为汽车停车时的安全辅助装置,在生活中有着广泛的应用。本课题基于STC89C51单片机,设计了一种基于单片机的汽车倒车雷达,由HC-SR04超声波模块发射超声波控制信号,通过测量回波时间计算距离。该系统主要分为硬件设计和软件设计,硬件部分主要有发射接收模块,电路模块组成,软件部分主要为控制程序设计。
关键字:单片机 ;倒车辅助系统;测距
Abstract: As a safety auxiliary device for car parking, reversing radar has a wide range of applications in life. Based on STC89C51 microcontroller, this paper designs a car reversing radar based on single chip microcomputer, and launches ultrasonic control signal from HC-SR04 ultrasonic module, and calculates the distance by measuring echo time. The system is mainly divided into hardware design and software design. The hardware part mainly consists of transmitting and receiving module, circuit module , software part mainly consists of program design. .
Key words: Single chip microcomputer; Reverse assistant system; ranging