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:

This guide was first published on Oct 23, 2014. It was last updated on Oct 23, 2014.

This page (Overview) was last updated on Apr 07, 2021.

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