酒精浓度测试仪设计报告 目 录酒精浓度测试仪设计报告...............................................................................................................1一、 设计意义.................................................................................................................................3二、 硬件设计.................................................................................................................................31、设计框图.............................................................................................................................32、乙醇信号检测及调理电路.................................................................................................43、单片机电路.........................................................................................................................74、显示电路.............................................................................................................................85、供电及程序下载电路.........................................................................................................9三、 Protel 硬件开发软件.............................................................................................................101．Protel 软件组成..............................................................................................................102．PCB 板设计.....................................................................................................................11四、 软件编程...............................................................................................................................131、软件流程图...............................................................................................................................132、主程序......................................................................................................................................14五、 下载与调试..........................................
