\documentclass[12pt,a4paper]{article}
\title{Plantilla para trabajos UPIITA V1}
\usepackage{UPIITA}
%%%%%%%%%%%%%%%%%%%%%% Añade Otro nivel de sección
\usepackage{titlesec}
\setcounter{secnumdepth}{4}
\titleformat{\paragraph}
{\normalfont\normalsize\bfseries}{\theparagraph}{1em}{}
\titlespacing*{\paragraph}
{0pt}{3.25ex plus 1ex minus .2ex}{1.5ex plus .2ex}
\makeatletter
\renewcommand\paragraph{\@startsection{paragraph}{4}{\z@}%
{-2.5ex\@plus -1ex \@minus -.25ex}%
{1.25ex \@plus .25ex}%
{\normalfont\normalsize\bfseries}}
\makeatother
\setcounter{secnumdepth}{4} % how many sectioning levels to assign numbers to
\setcounter{tocdepth}{4} % how many sectioning levels to show in ToC
%%%%%%%%%%%%%%%%%%%%%% TErmina bloque
%%%% Paquetes para DF %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\usepackage{tikz}
\usetikzlibrary{shapes.geometric, arrows}
\tikzstyle{startstop} = [rectangle, rounded corners,
minimum width=3cm,
minimum height=1cm,
text centered,
draw=black,
fill=red!30]
\tikzstyle{io} = [trapezium,
trapezium stretches=true, % A later addition
trapezium left angle=70,
trapezium right angle=110,
minimum width=3cm,
minimum height=1cm, text centered,
draw=black, fill=blue!30]
\tikzstyle{process} = [rectangle,
minimum width=3cm,
minimum height=1cm,
text centered,
text width=3cm,
draw=black,
fill=orange!30]
\tikzstyle{decision} = [diamond,
minimum width=3cm,
minimum height=1cm,
text centered,
draw=black,
fill=green!30]
\tikzstyle{arrow} = [thick,->,>=stealth]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\asignatura{Asignatura (SOTR)}
\carrera{Ing. Mecatrónica}
\titulo{Título de la Práctica}
\grupo{Grupo}
\alumno{Nombre del Alumno}
\profesor{Nombre del Profesor}
\begin{document}
\maketitlepage % Portada
\newpage
\tableofcontents %Índice
\newpage
\listoffigures %Índice de figuras
%\newpage
%\listoftables %Índice de tablas
% Cuerpo del Documento
\newpage
\input{Introducción}
\newpage
\input{Desarrollo}
\newpage
\input{Conclusiones}
% Bibliografia o referencias
\newpage
\addcontentsline{toc}{section}{Bibliografía}
\printbibliography[title={Bibliografía}] %Referencias
\end{document}
