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\title{Smart Campus Humidifier}
\author{Sam Anthony 40271987}
\date{}
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\begin{document}
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\subsection*{Problem}

Optimal humidity: 35--50\%.

Air gets dry when indoor heating is used.

During winter: $<30\%$.

Respiratory infections, irritated skin and eyes.

\subsection*{Solution}

Humidifier.

User-programmable, energy-efficient, closed-loop control.


\newpage
\section*{Schematic}
\begin{center}
	\includegraphics[width=\textwidth, height=\textheight, keepaspectratio]{diagram.png}
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\section*{Assessment}

\checkmark\quad Regulates humidity dynamically \quad \emph{closed-loop PID.}

\checkmark\quad User programmable \quad \emph{up/down buttons.}

\checkmark\quad Easy to use \quad \emph{OLED display \& web dashboard.}

\checkmark\quad Easy to install \quad \emph{in existing HVAC ducts.}

\checkmark\quad Energy efficient \quad \emph{fog injection (no heating element).}

\checkmark\quad Reliable \quad \emph{WiFi reconnection, concurrent server.}


\end{document}