电子竞赛具有语音功能的电阻、电容、电感测试仪

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1、电子竞赛—具有语音功能的电阻、电容、电感测试仪Electron－competitionSpecification北京北阳电子技术有限公司2TechnologyforEasyLifehttp：//www.unsp.com.cn目录具有语音功能的电阻、电容、电感测试仪.......................................................................3摘要.......................................................................................

2、.......................................3一、设计功能及要求...................................................................................................41.1设计要求...........................................................................................................41.2系统功能.......................

3、....................................................................................4二、方案设计与论证...................................................................................................4三、系统硬件电路设计..........................................................................................

4、......53.1电路方框图及说明............................................................................................53.2各部分电路设计...............................................................................................63.2.1电阻测量电路..................................................................

5、.......................63.2.2电容测量电路.........................................................................................73.2.3电感测量电路.........................................................................................83.2.4多路选择开关电路.......................................................

6、...........................93.2.5按键及数码管显示电路........................................................................103.2.6音频输出电路.......................................................................................11四、软件设计.......................................................................

7、......................................124.1主程序流程图.................................................................................................134.2中断服务程序流程.............................................................................