3 files changed, 32 insertions, 7 deletions
diff --git a/slides/images/NodeMCU-–-Board-de-desarrollo-con-módulo-ESP8266-WiFi-y-Lua-4.jpg b/slides/images/NodeMCU-–-Board-de-desarrollo-con-módulo-ESP8266-WiFi-y-Lua-4.jpg
new file mode 100644
index 0000000..a22c5ad
--- /dev/null
+++ b/slides/images/NodeMCU-–-Board-de-desarrollo-con-módulo-ESP8266-WiFi-y-Lua-4.jpg
diff --git a/slides/images/nodemcu.pgf b/slides/images/nodemcu.pgf
new file mode 100644
index 0000000..3ea9af0
--- /dev/null
+++ b/slides/images/nodemcu.pgf
@@ -0,0 +1,29 @@
+\begin{tikzpicture}
+
+\path
+	(0, 0) node(flash)[draw, rectangle, 
+	minimum height=1cm, minimum width=2cm] {Flash}
+
+	(0, 1.5) node(esp8266)[draw, rectangle, 
+	minimum height=1cm, minimum width=2cm] {ESP8266}
+
+	(3.5, 1.5) node(cp201x)[draw, rectangle, 
+	minimum height=0.75cm, minimum width=1cm]
+	{CP201x}
+
+	(5.5, 1.5) node(usb)[]
+	{USB}
+;
+
+\draw[-] (esp8266) -- node[node font=\footnotesize, right]{QSPI} (flash);
+\draw[-] (esp8266) -- node[node font=\footnotesize, above]{UART} (cp201x) -- (usb);
+
+\node[rectangle, draw, fit=(esp8266) (flash), inner sep=2 mm,
+	label={[name=esp12_label,anchor=south]ESP-12}]
+	(esp12){};
+
+\node[rectangle, draw, thick, fit=(esp12_label) (esp12) (cp201x), inner sep=3 mm,
+	label={[anchor=north]south:NodeMCU}]
+	(nodemcu){};
+
+\end{tikzpicture}
diff --git a/slides/images/qtikz-template.pgs b/slides/images/qtikz-template.pgs
index b05f8ef..6d23d1a 100644
--- a/slides/images/qtikz-template.pgs
+++ b/slides/images/qtikz-template.pgs
@@ -1,12 +1,8 @@
+
 \documentclass[preview]{standalone}
 \usepackage{blindtext}
 \usepackage[utf8]{inputenc}
-
-\usepackage{fontspec}
-\setsansfont{Verdana}
-
 \usepackage{tikz}
-
 \usetikzlibrary{
   angles,
   arrows,
@@ -25,9 +21,9 @@
   shapes.symbols,
 }
 
+\usepackage{fontspec}
+\setsansfont{Verdana}
 \begin{document}
-
 <>
-
 \end{document}