\documentclass{article}
% Übersetzen mit: 
% pdflatex -shell-escape qr.tex 
% (damit die QR-Codes funktionieren)
\usepackage[utf8]{inputenc}
\usepackage{pst-barcode}
\usepackage{auto-pst-pdf}

\begin{document}

\section{URLs}

\begin{pspicture}(1,1)
\psbarcode{http://www.fh-joanneum.at/fzt/}{height=3 width=3}{qrcode}
\end{pspicture}

\begin{verbatim}
\begin{pspicture}(1,1)
\psbarcode{http://www.fh-joanneum.at/fzt/}{height=3 width=3}{qrcode}
\end{pspicture}
\end{verbatim}
\newpage

\section{Events}

% Zeit: 20120420T070000Z UTC = 20120420T090000Z (österr. Sommerzeit)
\begin{pspicture}(1,1)
\psbarcode{%
BEGIN:VEVENT^^J%
SUMMARY:Grazer Linuxtage 2013^^J%
DTSTART:20130420T070000Z^^J%
DTEND:20130420T170000Z^^J%
URL:http://www.linuxtage.at/^^J%
LOCATION:FH Joanneum Graz^^J%
END:VEVENT%
}{height=3 width=3}{qrcode}
\end{pspicture}

\begin{verbatim}
% Zeit: 20120420T070000Z UTC = 20120420T090000Z (österr. Sommerzeit)
\begin{pspicture}(1,1)
\psbarcode{%
BEGIN:VEVENT^^J%
SUMMARY:Grazer Linuxtage 2013^^J%
DTSTART:20120420T070000Z^^J%
DTEND:20130420T170000Z^^J%
URL:http://www.linuxtage.at/^^J%
LOCATION:FH Joanneum Graz^^J%
END:VEVENT%
}{height=3 width=3}{qrcode}
\end{pspicture}
\end{verbatim}
\newpage

\section{Vcard -- Kontakte}

\begin{pspicture}(2in,2in)
\psbarcode{BEGIN:VCARD^^J%
VERSION:2.1^^J%
FN:Wolfgang Dautermann^^J%
N:Dautermann;Wolfgang^^J%
TEL;WORK;VOICE:+43 316 5453 8418^^J%
ADR;WORK:FH JOANNEUM;Alte Poststr. 149; A-8020 Graz^^J%
EMAIL;PREF;INTERNET:wolfgang.dautermann@fh-joanneum.at^^J%
URL:http://www.fh-joanneum.at/fzt/^^J%
END:VCARD}{height=3 width=3}{qrcode}
\end{pspicture}

\begin{verbatim}
\begin{pspicture}(2in,2in)
\psbarcode{BEGIN:VCARD^^J%
VERSION:2.1^^J%
FN:Wolfgang Dautermann^^J%
N:Dautermann;Wolfgang^^J%
TEL;WORK;VOICE:+43 316 5453 8418^^J%
ADR;WORK:FH JOANNEUM;Alte Poststr. 149; A-8020 Graz^^J%
EMAIL;PREF;INTERNET:wolfgang.dautermann@fh-joanneum.at^^J%
URL:http://www.fh-joanneum.at/fzt/^^J%
END:VCARD}{height=3 width=3}{qrcode}
\end{pspicture}
\end{verbatim}

\subsection{Sonstiges (nicht wirklich standardisiert)}
\begin{itemize}
\item \texttt{mailto:user@example.com}
\item \texttt{tel:+43123456789}
\item \texttt{sms:+43123456789}
\item Geo-Information: \texttt{geo:40.71872,-73.98905,100}
\item Wlan-Information: \texttt{WIFI:T:WPA;S:myssid;P:mypass;H:true}
\end{itemize}
\newpage

\section{Sonstige Codes: EAN13, etc.}

\begin{pspicture}(3,1.2in)
\psbarcode{9781860742712}{includetext guardwhitespace}{ean13}
\end{pspicture}

\begin{verbatim}
\begin{pspicture}(3,1.2in)
\psbarcode{9781860742712}{includetext guardwhitespace}{ean13}
\end{pspicture}
\end{verbatim}

\end{document}
