Add several latex snippets

latex/code.tex

@@ -0,0 +1,22 @@
+\usepackage{listings}
+\usepackage{xcolor}
+
+\lstset{ % General setup for the package
+    language=C,
+    basicstyle=\footnotesize\ttfamily,
+    numbers=left,
+     numberstyle=\small,
+    frame=tb,
+    tabsize=4,
+    columns=fixed,
+    showstringspaces=false,
+    showtabs=false,
+    keepspaces,
+    commentstyle=\color{gray},
+    keywordstyle=\color{blue}
+}
+
+\lstinputlisting[linerange={41-51}]{week4-4.ino}
+
+\begin{lstlisting}
+\end{lstlisting}