deletions | additions       diff --git a/Introduction.tex b/Introduction.tex  index 586b250..e790f59 100644  --- a/Introduction.tex  +++ b/Introduction.tex 
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\textit{Analog to Digital Conversion}  \\Use the same structure from the previous procedure to read values from a sensor and write signal to a PWM to control and visualize the position of a ball inside a tube.  \end{itemize} \end{enumerate}  \begin{lstlisting}[frame=single]  \end{lstlisting}