% Präambel
\documentclass[a4paper,12pt,parskip]{scrartcl}
\usepackage[ngerman]{babel}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\pagestyle{empty}
\usepackage[european,nooldvoltagedirection]{circuitikz} 

% document-Umgebung
\begin{document}   \begin{circuitikz}
\draw (0,0) to[short,o-] (1,0) to[resistor,l_=R] (3,0)
   to[empty led,l_=LED] (5,0) to[short,-o] (6,0) ; 
\node[below] at (0.1,-0.2) {GPIO\,23} ;
\node[below] at (5.8,-0.2) {GND} ;
\end{circuitikz}
\end{document}