Simon Shield - Plug And, Um, Play By thedod in CircuitsArduino1,2345Save PDFFavoriteIntroduction: Simon Shield - Plug And, Um, PlayBy thedodMy github pageFollow More by the author: About: Sucks at soldering, [hopefully] compensates with coding. More About thedod » I've turned my Simon project into a shield. Software and schematics are the same. The rest is just poor workmanship :) I'm sure you can do better (and it's fun).