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    <title>sejin.dev</title>
    <description>조세진의 기술 블로그</description>
    <link>https://threetrue03-crypto.github.io/</link>
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    <language>ko-KR</language>
    <lastBuildDate>Fri, 24 Jul 2026 02:44:21 +0000</lastBuildDate>
    
    <item>
      <title>buzzer, button</title>
      <description>부저를 작동하는 방법과 버튼을 작동하는 방법 그리고 읽을 시 풀업, 풀다운 저항에 대해서 깊게 다루었다.</description>
      <pubDate>Tue, 21 Jul 2026 00:00:00 +0000</pubDate>
      <link>https://threetrue03-crypto.github.io/posts/buzzer,-button/</link>
      <guid isPermaLink="true">https://threetrue03-crypto.github.io/posts/buzzer,-button/</guid>
      <category>AI-mobility</category>
    </item>
    
    <item>
      <title>_thread</title>
      <description>Python에서의 _Thread와 MicroPython에서의 _Thread를 비교하고 주로 MicroPython에서의 _Thread 내용을 정리하였다.</description>
      <pubDate>Tue, 21 Jul 2026 00:00:00 +0000</pubDate>
      <link>https://threetrue03-crypto.github.io/posts/_thread/</link>
      <guid isPermaLink="true">https://threetrue03-crypto.github.io/posts/_thread/</guid>
      <category>AI-mobility</category>
    </item>
    
    <item>
      <title>Timer class</title>
      <description>machine의 Timer class에 대해 자세히 설명하였다.</description>
      <pubDate>Tue, 21 Jul 2026 00:00:00 +0000</pubDate>
      <link>https://threetrue03-crypto.github.io/posts/Timer-class/</link>
      <guid isPermaLink="true">https://threetrue03-crypto.github.io/posts/Timer-class/</guid>
      <category>AI-mobility</category>
    </item>
    
    <item>
      <title>PWM Class</title>
      <description>PWM Class에 대해서 설명하고, 왜 사용하는지?, 그리고 어떤 파라미터가 존재하고 어디까지 생각해볼 수 있는지 정리하였다.</description>
      <pubDate>Tue, 21 Jul 2026 00:00:00 +0000</pubDate>
      <link>https://threetrue03-crypto.github.io/posts/PWM-Class/</link>
      <guid isPermaLink="true">https://threetrue03-crypto.github.io/posts/PWM-Class/</guid>
      <category>AI-mobility</category>
    </item>
    
    <item>
      <title>Pin method</title>
      <description>machine.Pin 클래스의 메서드에 대해서 설명하고 어떻게 사용하는지 자세하게 설명하였다.</description>
      <pubDate>Mon, 20 Jul 2026 12:51:00 +0000</pubDate>
      <link>https://threetrue03-crypto.github.io/posts/Pin-method/</link>
      <guid isPermaLink="true">https://threetrue03-crypto.github.io/posts/Pin-method/</guid>
      <category>AI-mobility</category>
    </item>
    
    <item>
      <title>VDC, GPIO</title>
      <description>VDC, GPIO에 대해서 짧게 설명한다.</description>
      <pubDate>Mon, 20 Jul 2026 00:00:00 +0000</pubDate>
      <link>https://threetrue03-crypto.github.io/posts/VDC,GPIO/</link>
      <guid isPermaLink="true">https://threetrue03-crypto.github.io/posts/VDC,GPIO/</guid>
      <category>AI-mobility</category>
    </item>
    
    <item>
      <title>Pin Class</title>
      <description>Pin Class이 무엇이고, 어떤 파라미터를 가지며, 어떻게 사용하는가?</description>
      <pubDate>Mon, 20 Jul 2026 00:00:00 +0000</pubDate>
      <link>https://threetrue03-crypto.github.io/posts/Pin-Class/</link>
      <guid isPermaLink="true">https://threetrue03-crypto.github.io/posts/Pin-Class/</guid>
      <category>AI-mobility</category>
    </item>
    
    <item>
      <title>round()</title>
      <description>Python 내장 함수 round가 무엇이고, 주의할 점은 무엇인가?</description>
      <pubDate>Fri, 26 Jun 2026 00:00:00 +0000</pubDate>
      <link>https://threetrue03-crypto.github.io/posts/round()/</link>
      <guid isPermaLink="true">https://threetrue03-crypto.github.io/posts/round()/</guid>
      <category>Python</category>
    </item>
    
    <item>
      <title>json</title>
      <description>json은 무엇이고, python에서 이를 어떻게 사용하는가?</description>
      <pubDate>Fri, 26 Jun 2026 00:00:00 +0000</pubDate>
      <link>https://threetrue03-crypto.github.io/posts/json/</link>
      <guid isPermaLink="true">https://threetrue03-crypto.github.io/posts/json/</guid>
      <category>Python</category>
    </item>
    
    <item>
      <title>Conditional Expression</title>
      <description>Conditional Expreesion에 대해서 설명하고, if문과의 차이도 본다. 결국 분기의 본질은 무엇인가?</description>
      <pubDate>Fri, 26 Jun 2026 00:00:00 +0000</pubDate>
      <link>https://threetrue03-crypto.github.io/posts/Conditional-Expression/</link>
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      <category>Python</category>
    </item>
    
    <item>
      <title>pathlib.Path</title>
      <description>pathlib.Path에 대해서 설명한다.</description>
      <pubDate>Thu, 25 Jun 2026 00:00:00 +0000</pubDate>
      <link>https://threetrue03-crypto.github.io/posts/pathlib.Path/</link>
      <guid isPermaLink="true">https://threetrue03-crypto.github.io/posts/pathlib.Path/</guid>
      <category>Python</category>
    </item>
    
    <item>
      <title>math.floor()</title>
      <description>math.floor()에 대해서 설명한다.</description>
      <pubDate>Thu, 25 Jun 2026 00:00:00 +0000</pubDate>
      <link>https://threetrue03-crypto.github.io/posts/math.floor()/</link>
      <guid isPermaLink="true">https://threetrue03-crypto.github.io/posts/math.floor()/</guid>
      <category>Python</category>
    </item>
    
    <item>
      <title>Exception</title>
      <description>프로그램 실행 중 발생하는 오류 상황들을 정리하였다.</description>
      <pubDate>Thu, 25 Jun 2026 00:00:00 +0000</pubDate>
      <link>https://threetrue03-crypto.github.io/posts/exception/</link>
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      <category>Python</category>
    </item>
    
    <item>
      <title>dataclass</title>
      <description>dataclasses의 dataclass에 대해서 설명한다.</description>
      <pubDate>Thu, 25 Jun 2026 00:00:00 +0000</pubDate>
      <link>https://threetrue03-crypto.github.io/posts/dataclass/</link>
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      <category>Python</category>
    </item>
    
    <item>
      <title>cv2.VideoCapture</title>
      <description>OpenCV, cv2.VideoCapture에 대해서 설명한다.</description>
      <pubDate>Thu, 25 Jun 2026 00:00:00 +0000</pubDate>
      <link>https://threetrue03-crypto.github.io/posts/cv2.VideoCapture/</link>
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      <category>OpenCV</category>
    </item>
    
    <item>
      <title>Codec &amp; Container</title>
      <description>영상 파일에서 코덱과 컨테이너가 어떤 역할을 하는지, AVI와 MP4의 차이를 중심으로 정리한다.</description>
      <pubDate>Thu, 25 Jun 2026 00:00:00 +0000</pubDate>
      <link>https://threetrue03-crypto.github.io/posts/codec/</link>
      <guid isPermaLink="true">https://threetrue03-crypto.github.io/posts/codec/</guid>
      <category>FFmpeg</category>
    </item>
    
    <item>
      <title>__doc__</title>
      <description>파이썬 기본 문법인 __doc__에 대해서 설명한다.</description>
      <pubDate>Thu, 25 Jun 2026 00:00:00 +0000</pubDate>
      <link>https://threetrue03-crypto.github.io/posts/__doc__/</link>
      <guid isPermaLink="true">https://threetrue03-crypto.github.io/posts/__doc__/</guid>
      <category>Python</category>
    </item>
    
    <item>
      <title>Transcoding &amp; Remuxing</title>
      <description>컨테이너와 코덱의 호환성을 해결하기 위한 두 가지 방법을 소개한다.</description>
      <pubDate>Thu, 25 Jun 2026 00:00:00 +0000</pubDate>
      <link>https://threetrue03-crypto.github.io/posts/Transcoding-&-Remuxing/</link>
      <guid isPermaLink="true">https://threetrue03-crypto.github.io/posts/Transcoding-&-Remuxing/</guid>
      <category>FFmpeg</category>
    </item>
    
    <item>
      <title>Modularization</title>
      <description>파이썬 기본 문법인 모듈화의 대한 설명이다.</description>
      <pubDate>Thu, 25 Jun 2026 00:00:00 +0000</pubDate>
      <link>https://threetrue03-crypto.github.io/posts/Modularization/</link>
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      <category>Python</category>
    </item>
    
    <item>
      <title>Frame</title>
      <description>OpenCV, Frame에 대해서 설명한다.</description>
      <pubDate>Thu, 25 Jun 2026 00:00:00 +0000</pubDate>
      <link>https://threetrue03-crypto.github.io/posts/Frame/</link>
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      <category>OpenCV</category>
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