1、 毕业论文 题目题目：基于单片机技术的汽车限速器设计 I 基于单片机技术的汽车限速器设计基于单片机技术的汽车限速器设计 摘摘 要要 随着经济和轿车行业的快速发展，交通安全成为危及人生安全的重要因素， 车辆的限速行驶，将显著的降低交通事故的发生。如今各项先进的电子技术产品 应用到汽车上，所以，本文根据汽车限速器的功能要求，设计出基于 AT89C52 单片机的控制系统。文中详细介绍了单片机控制系统的功能、原理、硬件、软件 的设计，各元器件的选择与应用。以 AT89C52 芯片为核心，辅以必要的电子元 件及电路，通过 LED 驱动显示器 MAX7219、蜂鸣器、控制开关、按键等能够准 确控制电动机启
2、停和报警器的工作状态。从而，让其车速实现智能化控制，以致 于在道路上交通事故的发生率也大大减少了，人们的生命财产得到了有力的保 证。同时达到学习、设计、实际应用的能力。 关键词：关键词：单片机 AT89C52；LED 驱动显示器 MAX7219；蜂鸣器；电动机 II Based on the single chip microcomputer auto safety device design Abstract With the economy and the rapid development of the car industry, traffic safety become endang
3、er life of the importance of safety factor, the speed limit, will drive vehicle significant reduction in traffic accidents. Now various advanced electronics products applied to the bus, so, this paper based on the requirements of function, thespeed limit is designed based on single-chip microcompute
4、r control system of AT89C52. This paper introduces the function of single chip microcomputer control system, principle, hardware, software design, the components of the selection andapplication. AT89C52 as the core, with chip with the necessary electronic components and circuits, LED by driving displays MAX7219 buzzer, control switch,such as keys can accurately control motor rev. Stop and alarm working condition. Thus, let its speed to realize intelligent control, that on the road traffic a
