\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
\usepackage[T1]{fontenc}        % Without this we get weird character replacements
\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\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{Jesper Borriboon (Jesperborri)}
\pdfinfo{
  /Title (arduinonetworks-arduino.pdf)
  /Creator (Cheatography)
  /Author (Jesper Borriboon (Jesperborri))
  /Subject (ArduinoNetworks - Arduino Cheat Sheet)
}

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% This two commands together give roughly
% the right line height in the tables
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\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
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\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
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\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\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{ArduinoNetworks - Arduino Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Jesper Borriboon (Jesperborri)} via \textcolor{DarkBackground}{\uline{cheatography.com/53402/cs/14409/}}}
\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}Jesper Borriboon (Jesperborri) \\
  \uline{cheatography.com/jesperborri} \\
        \uline{\seqsplit{arduinonetworks}.teachable.com/}
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 21st January, 2018.\\
   Updated 26th February, 2018.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \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*}{3}

\begin{tabularx}{5.377cm}{x{2.38896 cm} x{2.58804 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Struktur}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{void {\bf{setup}}()} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{void {\bf{loop}}()} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{if}} (x\textless{}5) \{ \}} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{{\bf{for}} (int i = 0; i \textless{} 255; i++) \{ \}} \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{while}} (x \textless{} 6) \{ \}} \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
{\bf{break}}; & Forlad loop \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{switch}} (var) \{} \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
~ ~ ~ {\bf{case}} 1: ... & {\bf{break}}; \tn 
% Row Count 9 (+ 2)
% Row 8
\SetRowColor{LightBackground}
~ ~ ~ {\bf{case}} 2: ... & {\bf{break}}; \tn 
% Row Count 11 (+ 2)
% Row 9
\SetRowColor{white}
~ ~ ~ {\bf{default:}} ... & \} \tn 
% Row Count 13 (+ 2)
% Row 10
\SetRowColor{LightBackground}
{\bf{return}} x & x skal passe til \{\{nl\}\}funktionens datatype \tn 
% Row Count 16 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.43873 cm} x{2.53827 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Syntaks mm.}}  \tn
% Row 0
\SetRowColor{LightBackground}
// & Single-line kommentar \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
/* ... */ & Multi-line kommentar \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\#{\bf{define}} ledPin 3 & . \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{\#{\bf{include}}\textless{}myLib.h\textgreater{}} \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{3.08574 cm} x{1.89126 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Time}}  \tn
% Row 0
\SetRowColor{LightBackground}
unsigned long {\bf{millis}}() & Overflow 50 dage \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
unsigned long {\bf{micros}}() & Overflow 70 min \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{delay}}(ms)} \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{{\bf{delay}}Microseconds(us)} \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.14011 cm} x{2.83689 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Matematik}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{min}}(x,y) & Returner den mindste værdi \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
{\bf{max}}(x,y) & Returner den højeste værdi \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
{\bf{abs}}() & Returner værdi med \{\{nl\}\}positiv fortegn \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
{\bf{constrain}}\{\{nl\}\}(val, a, b) & Begrænser val til mellem a og b \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
{\bf{pow}}(base, exponent) & Eksponent \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
{\bf{sqrt}}() & Kvadratrod \tn 
% Row Count 11 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.59264 cm} x{3.38436 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Operatorer}}  \tn
% Row 0
\SetRowColor{LightBackground}
v1 = v2\{\{nobreak\}\} & Sætter værdien af v1 = v2 \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
v1 == v2\{\{nobreak\}\} & Sammenligner værdien af\{\{nl\}\}v1 == v2 og returnere boolean \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
+, - & Plus og minus \tn 
% Row Count 6 (+ 1)
% Row 3
\SetRowColor{white}
*, / & Gange og divider \tn 
% Row Count 7 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\% & Modulo indeholder rest efter division med int \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
!= & Ikke lig med \tn 
% Row Count 10 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\textless{} & Mindre end \tn 
% Row Count 11 (+ 1)
% Row 7
\SetRowColor{white}
\textless{}= & Lig med eller mindre end \tn 
% Row Count 12 (+ 1)
% Row 8
\SetRowColor{LightBackground}
\&\& & Og \tn 
% Row Count 13 (+ 1)
% Row 9
\SetRowColor{white}
|| & Eller \tn 
% Row Count 14 (+ 1)
% Row 10
\SetRowColor{LightBackground}
++ & Inkrementer \tn 
% Row Count 15 (+ 1)
% Row 11
\SetRowColor{white}
-{}- & Dekrementer \tn 
% Row Count 16 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.88666 cm} x{2.09034 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Digital I/O}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{digitalRead}}(pin) & Læs pin til HIGH/LOW \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
{\bf{digitalWrite}}\{\{nl\}\}(pin, value) & Sæt pin til HIGH/LOW \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
{\bf{pinMode}}\{\{nl\}\}(pin, value) & Sæt pin til INPUT/OUTPUT \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.83689 cm} x{2.14011 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Analog I/O}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{analogRead}}(pin) & Læs 0-1023 \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
{\bf{analogWrite}}\{\{nl\}\}(pin, value) & Sæt PWM til 0-255 \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
{\bf{analogReference}}\{\{nl\}\}(type) & Skift reference spænding \tn 
% Row Count 5 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} p{0.4977 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Interrupts}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{interrupts}}()} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{{\bf{noInterrupts}}()} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{attachInterrupt}}(interrupt, ISR, type);} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{{\bf{detachInterrupt}}()} \tn 
% Row Count 4 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.4931 cm} x{3.4839 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Datatyper}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{void}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
{\bf{boolean}} & 0, 1, true, false \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
{\bf{char}} & -128 til 127. Bruges også til bogstaver. Se ASCII tabel \tn 
% Row Count 4 (+ 2)
% Row 3
\SetRowColor{white}
{\bf{unsigned char}} & 0 til 255 \tn 
% Row Count 6 (+ 2)
% Row 4
\SetRowColor{LightBackground}
{\bf{int}} & -32.768 til 32767 \tn 
% Row Count 7 (+ 1)
% Row 5
\SetRowColor{white}
{\bf{unsigned int}} & 0 til 65535 \tn 
% Row Count 9 (+ 2)
% Row 6
\SetRowColor{LightBackground}
{\bf{long}} & -2.147.483.648 til \{\{nl\}\}2.147.483.647 \tn 
% Row Count 11 (+ 2)
% Row 7
\SetRowColor{white}
{\bf{float}} & Kommatal med 6-7 decimalers præcision \tn 
% Row Count 13 (+ 2)
% Row 8
\SetRowColor{LightBackground}
{\bf{double}} & Det samme som {\bf{float}}. Gælder dog ikke for Arduino Due \tn 
% Row Count 16 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.94103 cm} x{3.03597 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Random tal}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{random}}\{\{nl\}\}(min, max) & Anvend altid randomSeed() i setup \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
{\bf{randomSeed}}\{\{nl\}\}(seed) & sæt seed = analogRead(0), eller et andet random tal \tn 
% Row Count 5 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} p{0.4977 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Arrays}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{int}} myArray{[}6{]};} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{{\bf{int}} myPins{[}{]} = \{2, 4, 8, 3, 6\};} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{int}} mySensVals{[}6{]} = \{2, 4, -8, 3, 2\};} \tn 
% Row Count 3 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Bemærk at arrays er nul-indekseret, hvilket betyder at myPins{[}1{]} == 4.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} p{0.4977 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Strings}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{String}} s1 = "Arduino";} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{{\bf{String}} s2 =  {\bf{String}}('a');} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{String}} s3 =  {\bf{String}}(s1 + "Networks");} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{{\bf{char}} message{[}6{]} = "hello";} \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{char}} message2{[}8{]} = 'A', 'r','d','u','i','n','o', '\textbackslash{}0';} \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Bemærk at string skrives som "a" og char skrives som 'a'. Det er muligt at bruge +operatoren med strings.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}