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+\documentclass[12pt, a4paper, dutch]{article}
+
+\usepackage[margin=1in]{geometry}
+\usepackage{circuitikz}
+\usepackage{float}
+\usepackage{babel}
+\usepackage{siunitx}
+\usepackage{amsmath}
+\usepackage{scalerel}
+\usepackage{csquotes}
+\usepackage{parskip}
+\usepackage{unicode-math}
+\usepackage{fontspec}
+\usepackage{tabularx}
+\usepackage{booktabs}
+\usepackage{graphicx}
+\usepackage{pgfplots}
+\usepackage{color}
+\usepackage{hyperref}
+
+\setmainfont{TeX Gyre Schola}
+\setmathfont{TeX Gyre Schola Math}
+\setmonofont{JetBrainsMono Nerd Font}
+\sisetup{
+	group-separator = {.},
+	output-decimal-marker = {,}
+}
+
+\pgfplotsset{compat=newest}
+
+\usetikzlibrary{calc}
+\usetikzlibrary{shapes.geometric}
+\usetikzlibrary{arrows.meta,arrows}
+\usetikzlibrary{positioning}
+\tikzset{
+	initial/.style={circle, fill},
+	final/.style={solid, double=white, circle, fill, thick, draw},
+	decision/.style={diamond, black, draw},
+	action/.style={rectangle, draw, rounded corners, align=center},
+	arrow/.style={draw, -{Latex[length=3mm]}, thick, rounded corners}
+}
+
+\bigskipamount=7mm
+\medskipamount=4mm
+\parindent=0mm
+
+\begin{document}
+
+\begin{center}
+\textbf{Ontwerp} \hspace{2mm} project ledcube \hfill \textbf{Loek Le Blansch}
+(2180996)\\
+\today \hfill \textbf{Sybren van den Heuvel} (21.....)
+\end{center}
+
+\medskip
+
+Dit document maakt gebruik van hyperlinks, dus je kunt klikken op de blokken met
+\emph{benadrukte tekst} om naar de definitie van dat blok te gaan.
+
+\section{Software ontwerp}
+
+\subsection*{Overzicht}\label{overzicht}
+\begin{center}
+\begin{tikzpicture}[node distance=1.5cm]
+\node[initial] (initial) at (0,0) {};
+\node[action, below of = initial] (setup) {\hyperref[init]{\emph{Initialisatie}}};
+\node[decision, below of = setup] (comb) {};
+\node[action, below of = comb] (loop) {\hyperref[loop]{\emph{Loop}}};
+
+\draw [arrow] (initial) -- (setup);
+\draw [arrow] (setup) -- (comb);
+\draw [arrow] (comb) -- (loop);
+\draw [arrow] (loop) -- ++(0, -1) -- ++(-2, 0) |- (comb);
+
+\end{tikzpicture}
+\end{center}
+
+
+\subsection*{Initialisatie}\label{init}
+\begin{center}
+\begin{tikzpicture}[node distance=1.5cm]
+\node[initial] (initial) at (0,0) {};
+
+\node[action, below = 1cm of initial] (mkvars) {Maak globale variabelen voor\\de
+	huidige staat van de led's};
+
+\node[action, below = 1cm of mkvars] (pinmode) {Stel pin 2, 3, en 4 in als
+	output\\voor het shiftregister};
+
+\node[action, below = 1cm of pinmode] (frametimecalc) {Bereken hoe lang een beeld
+	duurt\\in milliseconden afhankelijk van\\de verversingssnelheid};
+
+\node[final, below of = frametimecalc] (final) {};
+
+\draw [arrow] (initial) -- (mkvars);
+\draw [arrow] (mkvars) -- (pinmode);
+\draw [arrow] (pinmode) -- (frametimecalc);
+\draw [arrow] (frametimecalc) -- (final);
+
+\end{tikzpicture}
+\end{center}
+
+
+\subsection*{Loop}\label{loop}
+\begin{center}
+\begin{tikzpicture}[node distance=2cm]
+\node[initial] (initial) at (0,0) {};
+
+\node[action, below of = initial] (gettime)
+	{Sla op hoe lang de arduino\\aan is in milliseconden};
+
+\node[action, below of = gettime] (calcfxindex)
+	{Bereken welk effect afgespeeld moet worden};
+
+\node[action, below of = calcfxindex] (calcfxtime)
+	{Bereken hoe lang het huidige effect al bezig is};
+
+\node[action, below of = calcfxtime] (fxexec)
+	{Voer de functie van het huidige effect uit};
+
+\node[action, below of = fxexec] (updateregs)
+	{Update de status van de led's};
+
+\node[final, below of = updateregs] (final) {};
+
+\draw [arrow] (initial) -- (gettime);
+\draw [arrow] (gettime) -- (calcfxindex);
+\draw [arrow] (calcfxindex) -- (calcfxtime);
+\draw [arrow] (calcfxtime) -- (fxexec);
+\draw [arrow] (fxexec) -- (updateregs);
+\draw [arrow] (updateregs) -- (final);
+
+\end{tikzpicture}
+\end{center}
+
+\section{Hardware}
+
+\subsection{Schema}
+
+\begin{center}
+\includegraphics[
+	clip,
+	trim=21mm 83mm 22mm 13mm,
+	width=\textwidth
+]{./schema.pdf}
+\end{center}
+
+\subsection{PCB}
+\begin{center}
+\includegraphics[
+	clip,
+	trim=13mm 119mm 124mm 13mm,
+	width=\textwidth
+]{./pcb.pdf}
+\end{center}
+
+\subsection{Bedrading (3D)}
+
+Dit is een 3D-weergave van de bedrading van de led cube. In deze weergave zie je
+duidelijk dat de led cube bestaat uit een 8$\times$8-matrix die twee keer is
+dubbelgevouwd. Hier zijn de roze verbindingen de anode's van de led's, en de blauwe
+de cathode's.
+
+\begin{center}
+\includegraphics[
+	width=0.4\textwidth
+]{./red.png}
+\hspace{1cm}
+\includegraphics[
+	width=0.4\textwidth
+]{./blue.png}
+\end{center}
+
+\end{document}