\documentclass[10pt,a4paper]{article}

% Packages
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\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
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\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{mattslaney}
\pdfinfo{
  /Title (raspberry-pi-gpio-40-pin.pdf)
  /Creator (Cheatography)
  /Author (mattslaney)
  /Subject (Raspberry Pi GPIO (40 Pin) Cheat Sheet)
}

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% This two commands together give roughly
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% Commands
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% Header and Footer
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\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Raspberry Pi GPIO (40 Pin) Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{mattslaney} via \textcolor{DarkBackground}{\uline{cheatography.com/26672/cs/7528/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}mattslaney \\
  \uline{cheatography.com/mattslaney} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 13th May, 2016.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
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\columnbreak
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  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{2}

\begin{tabularx}{8.4cm}{x{2.448 cm} p{0.72 cm} p{0.72 cm} x{3.312 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{4}{x{8.4cm}}{\bf\textcolor{white}{GPIO Pins}}  \tn
% Row 0
\SetRowColor{LightBackground}
3.3V (DC Power) & 01 & 02 & (DC Power) 5V \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
GPIO02 (SDA1, I2C) & 03 & 04 & (DC Power) 5V \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
GPIO03 (SLC1, I2C) & 05 & 06 & (Ground) 0V \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
GPIO04 (GPIO\_GCLK) & 07 & 08 & (TXD0) GPIO14 \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
0V (Ground) & 09 & 10 & (RXD0) GPIO15 \tn 
% Row Count 9 (+ 1)
% Row 5
\SetRowColor{white}
GPIO17 (GPIO\_GEN0) & 11 & 12 & (GPIO\_GEN1) GPIO18 \tn 
% Row Count 11 (+ 2)
% Row 6
\SetRowColor{LightBackground}
GPIO27 (GPIO\_GEN2) & 13 & 14 & (Ground) 0V \tn 
% Row Count 13 (+ 2)
% Row 7
\SetRowColor{white}
GPIO22 (GPIO\_GEN3) & 15 & 16 & (GPIO\_GEN4) GPIO23 \tn 
% Row Count 15 (+ 2)
% Row 8
\SetRowColor{LightBackground}
3.3V (DC Power) & 17 & 18 & (GPIO\_GEN5) GPIO24 \tn 
% Row Count 17 (+ 2)
% Row 9
\SetRowColor{white}
GPIO10 (SPI\_MOSI) & 19 & 20 & (Ground) 0V \tn 
% Row Count 19 (+ 2)
% Row 10
\SetRowColor{LightBackground}
GPIO09 (SPI\_MISO) & 21 & 22 & (GPIO\_GEN6) GPIO25 \tn 
% Row Count 21 (+ 2)
% Row 11
\SetRowColor{white}
GPIO11 (SPI\_CLK) & 23 & 24 & (SPI\_CE0\_N) GPIO08 \tn 
% Row Count 23 (+ 2)
% Row 12
\SetRowColor{LightBackground}
0V (Ground) & 25 & 26 & (SPI\_CE1\_N) GPIO07 \tn 
% Row Count 24 (+ 1)
% Row 13
\SetRowColor{white}
ID\_SD (I2C ID EEPROM) & 27 & 28 & (I2C ID EEPROM) ID\_SC \tn 
% Row Count 26 (+ 2)
% Row 14
\SetRowColor{LightBackground}
GPIO05 & 29 & 30 & (Ground) 0V \tn 
% Row Count 27 (+ 1)
% Row 15
\SetRowColor{white}
GPIO06 & 31 & 32 & GPIO12 \tn 
% Row Count 28 (+ 1)
% Row 16
\SetRowColor{LightBackground}
GPIO13 & 33 & 34 & (Ground) 0V \tn 
% Row Count 29 (+ 1)
% Row 17
\SetRowColor{white}
GPIO19 & 35 & 36 & GPIO16 \tn 
% Row Count 30 (+ 1)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{2.448 cm} p{0.72 cm} p{0.72 cm} x{3.312 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{4}{x{8.4cm}}{\bf\textcolor{white}{GPIO Pins (cont)}}  \tn
% Row 18
\SetRowColor{LightBackground}
GPIO26 & 37 & 38 & GPIO20 \tn 
% Row Count 1 (+ 1)
% Row 19
\SetRowColor{white}
0V (Ground) & 39 & 40 & GPIO21 \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}----}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{p{0.8 cm} p{0.8 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Python GPIO}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{} \tn 
% Row Count 0 (+ 0)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}