Do you need a last minute Halloween decoration to scare your friends and trick-or-treaters?  Try building a scream box that lets out blood-curdling screams when it's opened!  By using a passive infrared (PIR) motion sensor and an Audio FX board you can build this scream box without even using a separate microcontroller or writing any code!

Before you get started it will help to familiarize yourself with the following guides:

Last updated on 2015-05-04 at 04.27.56 PM Published on 2014-10-23 at 12.11.57 PM