\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{lucas\_su}
\pdfinfo{
  /Title (rttmbot.pdf)
  /Creator (Cheatography)
  /Author (lucas\_su)
  /Subject (RTTMbot Cheat Sheet)
}

% Lengths and widths
\addtolength{\textwidth}{6cm}
\addtolength{\textheight}{-1cm}
\addtolength{\hoffset}{-3cm}
\addtolength{\voffset}{-2cm}
\setlength{\tabcolsep}{0.2cm} % Space between columns
\setlength{\headsep}{-12pt} % Reduce space between header and content
\setlength{\headheight}{85pt} % If less, LaTeX automatically increases it
\renewcommand{\footrulewidth}{0pt} % Remove footer line
\renewcommand{\headrulewidth}{0pt} % Remove header line
\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\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
\newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns
\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
\definecolor{HeadBackground}{HTML}{333333}
\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{CC0000}
\definecolor{LightBackground}{HTML}{FBEFEF}
\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{RTTMbot Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{lucas\_su} via \textcolor{DarkBackground}{\uline{cheatography.com/116479/cs/21767/}}}
\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}lucas\_su \\
  \uline{cheatography.com/lucas-su} \\
  \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 12th February, 2020.\\
   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}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Control structures}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{if(condition)}} \newline \{ \newline {\emph{// if condition is TRUE, do something here}} \newline \} \newline {\bf{else}} \newline \{ \newline {\emph{// otherwise, d}}o this{\emph{ \newline \} \newline  \newline {\bf{while (condition)}} \newline \{ \newline }}// while condition is true, do this{\emph{ \newline \} \newline  \newline {\bf{break;}} }}// break a loop{\emph{ \newline {\bf{continue;}} }}// continue to next iteration{\emph{ \newline  \newline {\bf{switch (variable) }} \newline \{ \newline {\bf{case 1:}} \newline     }}// if case == variable, do this{\emph{ \newline     {\bf{break;}} \newline {\bf{case 2:}} \newline     }}// if case == variable, do this{\emph{ \newline     {\bf{break;}} \newline \} \newline  \newline {\bf{for(initialization; condition; increment)}} \newline \{ \newline }}// do this{\emph{ \newline \} \newline /* }}The 'for' statement is used to repeat{\emph{ \newline }}a block of statements enclosed in curly{\emph{ \newline }}braces. An increment counter is usually{\emph{ \newline }}used to increment and terminate the loop.{\emph{ \newline /}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{RTT Import}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{To give access to functions to control the MBot, import the RTT library. \newline % Row Count 2 (+ 2)
`\#include "rttimport.h"` \newline % Row Count 3 (+ 1)
The following functions are available after including the RTT library. \newline % Row Count 5 (+ 2)
`drive(int speed);` \newline % Row Count 6 (+ 1)
`// drive forward with speed {\emph{speed}}, which may range from 1-100` \newline % Row Count 8 (+ 2)
`leftWheel(int speed);` \newline % Row Count 9 (+ 1)
`// move left wheel with speed {\emph{speed}}` \newline % Row Count 10 (+ 1)
`rightWheel(int speed);` \newline % Row Count 11 (+ 1)
`// move right wheel with speed {\emph{speed}}` \newline % Row Count 12 (+ 1)
`stopDrive();`  \newline % Row Count 13 (+ 1)
`// stop moving` \newline % Row Count 14 (+ 1)
\seqsplit{`lineSensor.readSensors()`} \newline % Row Count 15 (+ 1)
`/* read both sensors` \newline % Row Count 16 (+ 1)
`returns 0x00 if both left and right sensors are over a black line` \newline % Row Count 18 (+ 2)
` returns 0x01 if left sensor is over a black line but the right sensor is not` \newline % Row Count 20 (+ 2)
` returns 0x02 if left sensor is not over a black line but the right sensor is` \newline % Row Count 22 (+ 2)
` returns 0x03 if neither left sensor nor the right sensor is over a black line */` \newline % Row Count 24 (+ 2)
\seqsplit{`lineSensor.readSensorLeft()`} \newline % Row Count 25 (+ 1)
`// read state of left sensor` \newline % Row Count 26 (+ 1)
`// returns 0 if over black line, returns 1 if not over black line` \newline % Row Count 28 (+ 2)
\seqsplit{`lineSensor.readSensorRight()`} \newline % Row Count 29 (+ 1)
`// read state of right sensor` \newline % Row Count 30 (+ 1)
} \tn 
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{RTT Import (cont)}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{`// returns 0 if over black line, returns 1 if not over black line`% Row Count 2 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Operators}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Mathematical Operators}} \newline = {\emph{// assignment}} \newline +{\emph{ // addition}} \newline - {\emph{// subtraction}} \newline {\emph{ }}// multiplication{\emph{ \newline / }}// division{\emph{ \newline \%}} // modulus{\emph{ \newline {\bf{Logical Operators}} \newline == }}// boolean equal to{\emph{ \newline != }}// not equal to{\emph{ \newline \textless{} }}// less than{\emph{ \newline \textgreater{} }}// greater than{\emph{ \newline \textless{}= }}// less than or equal to{\emph{ \newline \textgreater{}= }}// greater than or equal to{\emph{ \newline \&\& }}// Boolean AND{\emph{ \newline || }}// Boolean OR{\emph{ \newline !}} // Boolean NOT*} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Time}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{delay(time\_ms);}} \newline /{\emph{ }}Pauses the program for the amount of time{\emph{ \newline }}(in milliseconds).{\emph{ }}/ \newline {\bf{delayMicroseconds(time\_us);}} \newline /{\emph{ }}Pauses the program for the amount of time{\emph{ \newline }}(in microseconds).{\emph{ }}/ \newline {\bf{millis();}} \newline /{\emph{ }}Returns the number of milliseconds since{\emph{ \newline }}the board began running the current program.{\emph{ \newline }}max: 4,294,967,295{\emph{ }}/ \newline {\bf{micros();}} \newline /{\emph{ }}Returns the number of microseconds since{\emph{ \newline }}the board began running the current program.{\emph{ \newline }}max: 4,294,967,295{\emph{ }}/} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}