\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{孤独的二进制 (lonelybinary)}
\pdfinfo{
  /Title (liquidcrystal-display.pdf)
  /Creator (Cheatography)
  /Author (孤独的二进制 (lonelybinary))
  /Subject (LiquidCrystal Display 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}{A3A3A3}
\definecolor{LightBackground}{HTML}{F3F3F3}
\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{LiquidCrystal Display Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{孤独的二进制 (lonelybinary)} via \textcolor{DarkBackground}{\uline{cheatography.com/145502/cs/41250/}}}
\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}孤独的二进制 (lonelybinary) \\
  \uline{cheatography.com/lonelybinary} \\
  \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 November, 2023.\\
   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*}{2}

\begin{tabularx}{8.4cm}{x{4.24 cm} x{3.76 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Declaration}}  \tn
% Row 0
\SetRowColor{LightBackground}
LiquidCrystal(rs, enable, d4, d5, d6, d7) & RW pin can be tied to ground \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
LiquidCrystal lcd(12, 11, 10, 5, 4, 3, 2); & Create lcd Object; 12 is RS, 2 is D7 \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
lcd.begin(16, 2) & Inital 1602 LCD \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
lcd.begin(20, 4) & Inital 2004 LCD \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.2 cm} x{4.8 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Display}}  \tn
% Row 0
\SetRowColor{LightBackground}
lcd.write(data) & Write a character to the LCD \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{8.4cm}}{lcd.print("hello, world!")} \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{lcd.print(data, BIN)} \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{8.4cm}}{lcd.print(data, DEC)} \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{lcd.print(data, HEX)} \tn 
% Row Count 6 (+ 1)
% Row 5
\SetRowColor{white}
lcd.display() & Turns on the LCD display \tn 
% Row Count 7 (+ 1)
% Row 6
\SetRowColor{LightBackground}
lcd.noDisplay() & Turns off the LCD display \tn 
% Row Count 9 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.56 cm} x{5.44 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Cursor}}  \tn
% Row 0
\SetRowColor{LightBackground}
lcd.home() & Reset the cursor position \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
lcd.clear() & Clear screen, Reset cursor \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{lcd.setCursor(9}, 1) & Set cursor to row 2 col 10, 0 is the first \tn 
% Row Count 4 (+ 2)
% Row 3
\SetRowColor{white}
\seqsplit{lcd.cursor()} & Display Cursor \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\seqsplit{lcd.noCursor()} & Hide Cursor. \tn 
% Row Count 7 (+ 2)
% Row 5
\SetRowColor{white}
lcd.blink() & Blinking Cursor \tn 
% Row Count 8 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\seqsplit{lcd.noBlink()} & Turns off the blinking cursor \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.2 cm} x{4.8 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Position}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{lcd.scrollDisplayLeft()} & One space to the left \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\seqsplit{lcd.scrollDisplayRight()} & One space to the right \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{lcd.autoscroll()} \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
\seqsplit{lcd.noAutoscroll()} & Turns off automatic scrolling \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\seqsplit{lcd.leftToRight()} & Set the direction for text (Default) \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
\seqsplit{lcd.rightToLeft()} & Set the direction for text \tn 
% Row Count 11 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.04 cm} x{4.96 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Custom}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{lcd.createChar(num}, data) & Create a custom character, num (0-7), data is byte array \tn 
% Row Count 3 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.68 cm} x{4.32 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Custom}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{lcd.createChar(num}, data) & Create a custom character \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
 & num (0-7), data is byte array \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Sample Code 1}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\#include \textless{}LiquidCrystal.h\textgreater{} \newline  \newline LiquidCrystal lcd(12, 11, 10, 5, 4, 3, 2); \newline  \newline void setup() \newline \{ \newline   lcd.begin(16,1); \newline   lcd.print("hello, world!"); \newline \} \newline  \newline void loop() \{\}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Custom Characters}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\#include \textless{}LiquidCrystal.h\textgreater{} \newline  \newline LiquidCrystal lcd(12, 11, 5, 4, 3, 2); \newline  \newline byte smiley{[}8{]} = \{ \newline   B00000, \newline   B10001, \newline   B00000, \newline   B00000, \newline   B10001, \newline   B01110, \newline   B00000, \newline \}; \newline  \newline void setup() \{ \newline   lcd.createChar(0, smiley); \newline   lcd.begin(16, 2);   \newline   lcd.write(byte(0)); \newline \} \newline  \newline void loop() \{\}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Up to eight characters of 5x8 pixels are supported (numbered 0 to 7).}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Library}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\seqsplit{https://github.com/arduino-libraries/LiquidCrystal}} \tn 
% Row Count 1 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}