In the Maker Shed: PIR Sensor

Technology

Maker Shed

The Maker Shed is brought to you by Maker Media, the makers of MAKE Magazine, the Maker Faire, and much more.

Launched originally as a source for back issues of MAKE Magazine, the Maker Shed expanded rapidly to meet the demand for 'projects in a box,' otherwise known as kits. Now we have a little bit of everything for makers, crafters, and budding scientists, from Arduinos to sock monkeys to chemistry sets .

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September 13th, 2011

The PIR sensor, from the Maker Shed, is a great way to add motion sensing capabilities to your project. It uses an infrared sensitive element enclosed by a Fresnel lens to detect changes in heat patterns up to 20 feet away. The simple 3-pin connection lets you easily create alarm systems, motion activated lighting, security cameras, or anything else that needs to sense movement.