目 录第一章 课程目的与任务 ················································21
1设计目的 ······················································21
2设计任务 ······················································2第二章 设计方案分析 ················································· 32
1电源模块分析 ··················································32
2显示界面分析 ················································· 32
3总体界面分析 ················································· 3第三章 主要元件介绍 ··················································53
1 单片机介绍 ···················································53
2 发光二极管介绍 ··············································· 73
3 LED数码管介绍 ··············································· 83
4 反相器介绍 ···················································83
5 晶振介绍 ···············································
