A simple room greeter that plays the super mario brothers theme music when triggered by a PIR in a hacked airwick freshener unit.
A home-made security system using PIR sensors (which is built into a Start Trek panel!)
PIR sensor + Arduino + Servo = automatic cat door!

A 2-PIR motion tracker by Lucky Larry

An interesting hack whereby the PIR sensor is used 'raw' to track movement.

This guide was first published on Jan 28, 2014. It was last updated on Mar 08, 2024.

This page (Example Projects) was last updated on Mar 08, 2024.

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