单片机课程设计题目：音乐门铃目录1。功能2.设计步骤1。前期工作·······························································12.电路结构·······························································13.基本步骤·······························································14.预期结果·······························································23。硬件电路设计1.模拟仿真电路 ···························································2 2.元件列表 ······························································2 3。发声原理 ······························································34．软件设计1.设计材料 ·····························································32.实验源程序 ···························································45.实验结果1.仿真结果 ·····························································82.实验感受 ······························································8音乐门铃的设计摘要： 该设计以 AT89C51 为芯片组成的一个音乐门铃解决方案，在设计系统硬件电路的基础上，实现了电子门铃系统软件设计，该系统设计主要包括电源、按键模块等。经过系统测试，证明达到了设计要求。1.功能1。用单片机编程实现自由切换播放三首歌曲，并且用 LED 灯进行显示，达到门铃效果。2.设计步骤1.前期工作通过大家对单片机的学习,能够通过 keilC 软件编写 C 语言程序,并且能够在 Proteus 仿真软件上成功的运...
