Started the datasheet.

.gitignore

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 # FreeCAD ignores
 *.FCStd1
+
+# TeX(maker) ignores
+*.aux
+*.lof
+*.log
+*.lot
+*.synctex.gz
+*.gz
+*.toc
+

Documentation/IAQ_Wired_Sensor_Datasheet.tex

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+\documentclass[a4paper,12pt,twoside]{article}
+\usepackage[utf8]{inputenc}
+\usepackage[english]{babel}
+\usepackage{fancyhdr}
+\usepackage{graphics}
+\usepackage{graphicx}
+\usepackage{multicol}
+\usepackage{capt-of}
+\usepackage[table]{xcolor}
+
+% ONLY FOR TEMPLATE
+\usepackage{blindtext}
+
+\pagestyle{fancy}
+\fancyhf{}
+\fancyhead[LE,LO]{\includegraphics{./fig/VelesLabsLogo.png}}
+\fancyhead[RE,RO]{PRODUCT NAME\\DATASHEET v. 1.0}
+\fancyfoot[LE,LO]{\leftmark}
+\fancyfoot[RE,RO]{\thepage}
+
+\renewcommand{\headrulewidth}{2pt}
+\renewcommand{\footrulewidth}{2pt}
+\setlength{\headheight}{35pt}
+
+\begin{document}
+%TODO: TITLEPAGE
+
+
+\begin{multicols*}{2}
+\includegraphics[width=0.45\textwidth]{./fig/iaq_wired_sensor.png}
+\section*{Features}
+\begin{itemize}
+\setlength\itemsep{0cm}
+\item 260 to 1260 hPa absolute pressure range
+\item  Current consumption down to 3 A
+\item  High overpressure capability: 20x full-scale
+\item  Embedded temperature compensation
+\item  24-bit pressure data output
+\item  16-bit temperature data output
+\item  ODR from 1 Hz to 75 Hz
+\item  SPI and I²C interfaces
+\item  Embedded FIFO
+\item  Interrupt functions: Data Ready, FIFO flags, pressure thresholds
+\item  Supply voltage: 1.7 to 3.6 V
+\item  High shock survivability: 22,000 g
+\item  Small and thin package
+\item  ECOPACK lead-free compliant
+\end{itemize}
+\section*{Description}
+\blindtext
+\blindtext
+\end{multicols*}
+\pagebreak
+
+\tableofcontents
+\listoffigures
+\listoftables
+
+\pagebreak
+
+\section{Specifications}
+\subsection{Electrical Specifications}
+\begin{table}[h]
+\scriptsize
+\begin{tabular}{|p{5cm}|p{2cm}|p{1cm}|p{1cm}|p{1cm}|p{1cm}|}
+\hline
+\rowcolor{lightgray}\textbf{Parameter}                       							& \textbf{Symbol} 	& \textbf{Min.} 	& \textbf{Typ.} 	& \textbf{Max.} 	& \textbf{Unit} 		\\ \hline
+Input voltage                                 							& $V_{DD}$        		& 5             		& 12            		& 24            			& V             			\\ \hline
+Average supply current                        					& $I_{DD}$        		&               		& 50            		&               			& mA            			\\ \hline
+RS485 Single-Ended Output High                				& $V_{OH}$        		& 2.2           		&               		&               			& V             			\\ \hline
+RS485 Single-Ended Output Low                 				& $V_{OL}$        		&               		&               		& 0.8           			& V             			\\ \hline
+RS485 Differential Output                     					& $V_{OD}$        		& 2.0           		&               		&               			& V             			\\ \hline
+RS485 Receiver Differential Threshold Voltage 		& $V_{TH}$        		& -200          		& -105          		& -10           			& mV            			\\ \hline
+\end{tabular}
+\normalsize
+\caption{Electrical Specifications}
+\label{tab:specifications_electrical}
+\end{table}
+\vfill
+\subsection{Sensing Specifications}
+\begin{table}[h]
+\scriptsize
+\begin{tabular}{|p{5cm}|p{3cm}|p{4.25cm}|}
+\hline
+\rowcolor{lightgray}\textbf{Parameter}                       							& \textbf{Conditions} 					& \textbf{Value} 										\\ \hline
+CO$_2$ measurement range                              		& \multicolumn{1}{c|}{-}           	& 0 $\div$ 40000 ppm								\\ \hline
+CO$_2$ measurement accuracy                        		&  400 ppm – 2000 ppm 	       		& ($\pm$50 ppm + 5\% of reading)          	\\ \hline
+CO$_2$ measurement repeatability                          & Typical           		      					& $\pm$10 ppm											\\ \hline
+T measurement range                								&  \multicolumn{1}{c|}{-}             &  –40 $\div$ +125 $^{\circ}$C       			\\ \hline
+T measurement accuracy                 						&  Typical                         				& $\pm$0.2 $^{\circ}$C         					\\ \hline
+T measurement repeatability                 					&  Typical                         				& $\pm$0.2 $^{\circ}$C         					\\ \hline
+RH measurement range                    						&  \multicolumn{1}{c|}{-}             & 0 $\div$ 100 \%RH            						\\ \hline
+RH measurement accuracy 									&  Typical        	          					& $\pm$1.8 \%RH           							\\ \hline
+RH measurement repeatability 								&  \multicolumn{1}{c|}{-}        	    	& $\pm$0.08 \%RH           							\\ \hline
+\end{tabular}
+\normalsize
+\caption{Sensing Specifications}
+\label{tab:specifications_sensing}
+\end{table}
+\vfill
+
+\subsection{Interface Specifications}
+\begin{table}[h]
+\scriptsize
+\begin{tabular}{|p{3.75cm}|p{9cm}|}
+\hline
+\rowcolor{lightgray}\textbf{Parameter}                       							& \textbf{Value} 							\\ \hline
+Used Protocol						                              		& MODBUS RTU           					\\ \hline
+Default Baudrate                        								&  19200 Baud 	       						\\ \hline
+Usable  Baudrates                      								&  4800, 9600, 14400, 19200,  28800, 38400, 57600, 76800, 119200 Baud 	      \\ \hline
+Data Bytes                          									& 8           		      							\\ \hline
+Parity                														&  Even             								\\ \hline
+Stop Bits                 												&  1                         						\\ \hline
+\end{tabular}
+\normalsize
+\caption{Sensing Specifications}
+\label{tab:specifications_interface}
+\end{table}
+\vfill
+\pagebreak
+
+\subsection{Connectors Pinout}
+\subsubsection{Main Connector Pinout}
+\begin{figure}[h]
+\begin{minipage}[c]{0.5\linewidth}
+	\centering
+	\includegraphics[width=0.5\textwidth]{./fig/connector_pins.png}
+	\caption{Main Connector Pinout}
+	\label{fig:connector_pinout}
+\end{minipage}
+\begin{minipage}[c]{0.5\linewidth}
+	\centering
+		\scriptsize
+	\begin{tabular}{|p{0.75cm}|p{1.25cm}|p{3cm}|}
+
+		\hline
+\rowcolor{lightgray}\textbf{Pin} & \textbf{Name} & \textbf{Description} \\ \hline
+		1 & VDD & Supply Voltage \\ \hline
+		2 & A & RS485 A+ \\ \hline
+		3 & B & RS485 B- \\ \hline
+		4 & GND & Ground \\ \hline
+	\end{tabular}
+	\captionof{table}{Main Connector Pinout}
+	\label{tab:connector_pinout}
+\end{minipage}
+\end{figure}
+
+\subsubsection{Programming Connector Pinout}
+\begin{table}[h]
+\scriptsize
+	\centering
+	\begin{tabular}{|p{0.75cm}|p{1.55cm}|p{3cm}|}
+		\hline
+\rowcolor{lightgray}		\textbf{Pin} & \textbf{Name} & \textbf{Description} \\ \hline
+		1 & 3V3 & 3.3V Sensing \\ \hline
+		2 & GND & Ground \\ \hline
+		3 & SWDIO & SWD Data \\ \hline
+		4 & SWCLK & SWD Clock \\ \hline
+		4 & NRST & MCU Reset \\ \hline
+	\end{tabular}
+	\caption{Programming Connector Pinout}
+	\label{tab:swd_connector_pinout}
+\end{table}
+
+\section{Communication Specification}
+\subsection{Physical Layer - RS485}
+\subsection{Link Layer - MODBUS RTU}
+\subsubsection{Registers Description}
+
+\section{Mechanical Dimesions}
+\end{document}