doc: Add section 'Bill of materials'

This is the central reference what is required to build soundbox
devices.

1 files changed, 22 insertions, 1 deletions

diff --git a/doc/documentation.tex b/doc/documentation.tex
index 3d65a9e..d45de73 100644
--- a/doc/documentation.tex
+++ b/doc/documentation.tex
@@ -102,7 +102,28 @@ guide\footnote{\href{https://trac.ffmpeg.org/wiki/StreamingGuide}{https://trac.f
 The given chapter contains documentation about how to produce a
 \texttt{soundbox} device.
 
-%\section{Printing mechanical parts}
+\section{Bill of materials}
+
+The parts below are required for one \texttt{soundbox} device.
+
+\begin{itemize}
+	\item Raspberry Pi Zero 2 W
+	\item HiFiBerry DAC+ Zero
+	\item micro SD card (at least 200 MB capacity)
+	\item 3D printed parts from \texttt{production.stl}
+	\item 8 x M3x3 clinch nuts
+	\item 4 x M3x22 ISO 4762 bolts
+	\item 4 x M3x10 ISO 4762 bolts
+	\item (if not already on the Raspberry Pi) 1 x 20x2 or 2 x 20x1 pin headers
+\end{itemize}
+
+The following accessories are optional.
+
+\begin{itemize}
+	\item micro USB power supply
+	\item audio adapter cable(s) from Cinch to other interfaces
+	\item adapter mini HDMI to other interfaces
+\end{itemize}
 
 \section{Alpine Linux installation on a Raspberry Pi}