<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[yandaowei的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/yandaowei</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; yandaowei]]></copyright><item><title><![CDATA[动圈麦克风]]></title><link>https://blog.youkuaiyun.com/yandaowei/article/details/142094425</link><guid>https://blog.youkuaiyun.com/yandaowei/article/details/142094425</guid><author>yandaowei</author><pubDate>Tue, 10 Sep 2024 11:32:36 +0800</pubDate><description><![CDATA[用单一频率的蜂鸣器发声，可以直接用示波器在3.5mm接口的动圈麦克风上捕获该声音新号吗？尝试了接R2和GND，并未看到波形。是否需要进一步处理才能看到波形？]]></description><category></category></item></channel></rss>