流水彩灯音乐盒设的计与制作

《流水彩灯音乐盒设的计与制作》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、流水彩灯音乐盒设计与制作Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.实习目的认识与识别常用电子元器件。学习电子线路走线与布线的方法与规则。学习制作电子产品的方法。学习调试电子产品的方法。Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011Aspos

2、ePtyLtd.实习作品欣赏Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5

3、ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationo

4、nly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copy

5、right2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.本次实习安排1）清理及测量元件；2）画原理图，装配图（元件）和接线图（导

6、线）；3）焊接电路；4）制作产品外观；5)验收。Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.电路由NE555、CD4017和10个LED组成流水灯电路，接通电源后，系统可以依次点亮每一盏LED灯，LED灯间隔亮的时间可以通过改变电位器的阻值来实现。电路硬件框图如图所示。NE555搭建成一个定时器电路，如电路原理图所示，定时器的时钟周期由R5、R6和C8组成，时钟周期T=

7、0.639(R5+2R6)C8.流水灯电路原理Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.流水灯电路原理图Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.元件1、电阻4个2、电容3个3、发光二极管10个4、三极管1个，

8、8050（NPN型）5、555芯片及IC插座1个6、音乐芯片1个7、CD4017芯片及IC插座1个8、喇叭1个9、电池盒1个10、杜邦线，以及对应的排针11、万用版、焊接线Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProf