贾跃亭喊话马斯克:我们是战友摘 要
80C51单片机是一款八位单片机，他的易用性和多功能性受到了广大使用者的好评。在生活中但凡涉及到自动控制的地方都会出现单片机的身影，单片机的应用有利于产品的小型化、智能化,并且能够提高生产效率.这里介绍的是如何用AT89C52单片机来实现小车的循迹功能，该设计是结合科研项目而确定的设计类课题。本系统以设计题目的要求为目的,采用AT8雷诺汽车>价格便宜的suv9C52单片机为控制核心，利用红外传感器检测道路上的黑线，控制电动小汽车的自动循迹，快慢速行驶，以及自动停车，并可以自动记录时间、里程和速度，和寻光功能。整个系统的电路结构非常简单,可靠性能很高。实验测试结果满足要求，本文着重介绍了该系统的硬件设计方法及测试结果分析。
关键词：80大空间两厢车推荐C51单片机;电动小车；pwm调速；光电检测；自动调速系统
Car tracking system based on microcontroller
Abstract
80C51 is a 8 bit single chip computer。 Its easily using and multi—function suffer large users。 In life， whenever it comes to automatic control of the local microcontroller will appear figure, microcontroller applications in favor of product miniaturization， intelligent， and can improve productivity. Here is how to use AT89C52 microcontroller to achieve the car tracking feature, which is designed to determine the combination of scientific research and design class topic. This system design requirements of the subject for the purpose of using AT89C52 microcontroller core， the use of infrared sensors to detect the black line on the road， the automatic tracking control of electric cars， fast low traffic speeds， as well as automatic parking, and can automatically record time ， mileage and speed, and look for the light function. The circuit structure of the entire system is very simple, very high reliability. The test results meet the requirements， the paper focuses on the hardware design and test results of the system analysis.
Keywords: 80C51 microcontroller； Electric car Pwm speed； A photodetector； Automatic Speed Control System。
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