LED Folie
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\end{itemize}
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\end{itemize}
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\end{frame}
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\end{frame}
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\begin{frame}
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\frametitle{Das Shield -- Polung der LED}
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\begin{columns}
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\column[t]{.70\textwidth}
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\begin{itemize}
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\item LEDs haben eine Polung
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\item der positive Pol heißt \textcolor{red}{\emph{Anode}}
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\item der negative Pol heißt \textcolor{blue}{\emph{Kathode}}
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\item die Kathode erkennt man an der kurzen Leitung, an der abgeflachten Stelle am Rand oder an der Reflektorwanne
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\item \alert{Merkhilfe: \emph{K}athode/\emph{K}ante/\emph{k}urz}
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\end{itemize}
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\column[t]{.30\textwidth}
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\begin{center}
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\includegraphics[width=\textwidth,height=0.4\textheight,keepaspectratio]
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{bilder/led_polung.pdf} %grafik schematisch von brotbrett
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\end{center}
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\end{columns}
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\end{frame}
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\begin{frame}
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\begin{frame}
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\frametitle{Das Shield -- Verkabelung}
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\frametitle{Das Shield -- Verkabelung}
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\begin{center}
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\begin{center}
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