deletions | additions       diff --git a/Introduction.tex b/Introduction.tex  index 3e6ab45..71b36f5 100644  --- a/Introduction.tex  +++ b/Introduction.tex 
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\item  \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{enumerate}  \begin{lstlisting}[frame=single]