单片机控制蜂鸣器

单片机控制蜂鸣器 2 0 年 月 日 目录 绪 论............................................................................................................................ 1 1、硬件设计.................................................................................................................. 2 1.1 总体设计图...................................................................................................... 2 1.2 简易结构框图.................................................................................................. 2 1.3 各部分硬件设计及功能................................................................................... 3 1.3.1 蜂鸣器发声电路：（如图 1.3.1） ········································· 3 1.3.2 电源稳压电路： ···························································· 4 1.4 元件清单 .......................................................................................................... 4 2、软件设计 .................................................................................................................. 5 2.1 设计思想 ........................................................................................................... 5 2.2 程序流程图 ...................................................................................................... 5 2.3 音调、节拍以及编码的确定方法.................................................................. 6 2.3.1 音调的确定 ···································································· 6 2.3.2 节拍的确定 ··································································· 8 2.3.3 编码 ··························································...