开发板中圆形电源dc插座接口

开发板中圆形电源dc插座接口

https://zhidao.baidu.com/question/363871317.html
http://www.51hei.com/bbs/dpj-51984-1.html

微动开关(按键)引脚图解 原理图符号和PCB表示方法

http://www.51hei.com/bbs/dpj-51995-1.html

Camera link

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bt1120

bt1120 一个时钟传送一16bit/20bit
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