南 京 工 程 学 院毕业设计说明书(论文)题 目： 基于单片机控制的交通信号灯 的设计与实现 The traffic light control system based on single chipA Dissertation Submitted toNanjing Institute of TechnologyFor the Academic Degree of Bachelor of ScienceByShao Zhenfeisupervised byProfessor Song HongmeiCollege of Communication EngineeringNanjing Institute of Technology June 2025摘要近年来，随着国民经济的快速进展，车辆的数量也在飞速增长，交通拥挤和堵塞的现象也频繁的出现。交通堵塞已经成为城市交通所迫切要解决的难题。所以设计一个合理控制的交通灯系统具有重要意义。本文介绍了一种基于单片机控制的交通信号灯的控制系统。该系统采纳 8051单片机为控制核心，以七段 LED 数码管作为等待或通行时间显示，LED 作为交通灯红、黄、绿显示。系统采纳上电自动复位，时间显示采纳倒计时方式，四组红、黄、绿三色灯用发光二极管作为模拟交通信号灯，可以模拟各种道路交通灯控制情况。关键词：LED 数码显示;单片机；交通灯；AbstractIn recent years, with the rapid development of the national economy, the number of vehicles is also growing rapidly, traffic congestion and blocking the emergence of the phenomenon frequently. Urban traffic congestion has become a problem to be solved urgently. So the reasonable control of designing a traffic light system is important.This paper describes a microcontroller-based control of traffic lights control system. The system uses 8051 as the control core, seven-segment LED digital tube as waiting or travel time display, LED traffic lights as red, yellow, green display. System uses the power automatically reset the countdown time display mode using four groups of red, yellow and green lights with light-emitting diodes as a simulation of traffic lights, you can simulate a variety of road traffic lights control the situation.Key words： LED digital display；SCM；Traffic目录第一章 绪论.....................................
