红绿灯+蜂鸣器音乐+串口通信(51单片机)

上传者: 42924921 | 上传时间: 2021-04-29 12:09:26 | 文件大小: 2.15MB | 文件类型: ZIP
实现的功能: 南北向红绿黄LED灯一组,东西向红绿黄LED灯一组。当红灯准备转绿灯时前10S开始在数码管上倒数计时。绿灯转黄灯闪烁,黄灯转红灯不需要倒数计时各设东西、南北向一行人按钮,当行人按钮按下时,红灯在3S后转为该向绿灯,另向此时黄灯闪烁3秒转红灯。3S期间蜂鸣器奏一短暂乐曲。 在这个基础上还加了个串口通信修改红绿灯参数。 压缩包里有代码工程文件(基于keil4),报告,还有我用的单片机电路图。 红绿灯模块,蜂鸣器音乐模块(有源无源的都可以用),这两个模块都是自己写的,特别是蜂鸣器音乐我觉得我写的比网上大部分要简单很多。 串口通信模块,这个由普中的STM32串口通信模块修改的。(我没收积分直接分享应该没事吧) 整体上注释很全,而且报告里面也有详细的解释,有这方面需求的同学可以看一下。‘

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