To Your Basket Ordering Information Part Number: R3-PYRO1 Price: $73.50 Weight: 0.06 lbs This sensor package allows you to detect movement of humans and pets. It can also be used for finding candles and other sources of heat.

More Details:

The package is simple, efficient and entirely self contained including an op-amp to condition the output. Interfacing the sensor is simple with only one analog output to sample with a micro.The sensitivity of this sensor is tuned to the human body's infra-red emissivity. This part is discussed in depth in the book "Mobile Robots: Inspiration to Implementation". This package is also the easiest enhancement to the Rug Warrior robot kits.

The package includes an Eltec 442-3 detector, fresnel lens that is matched to the detector, application notes, instructions on building a concentrating cone to focus a wide area of detection, and a pattern for building the cone.

Fresnel lens and cone from pattern

Thanks to Eltec for providing a great product and helping with the application notes!

Related Links:

Using A Window Comparator When An Analog Input Is Not Available

Articles: Acroname Tips and Advice for Trinity Fire Fighting Contest

John Piccirillo (2006) Robotics miniFAQ For Beginners

Examples:

Example BrainStem code for scanning with an Eltec 442-3 Pyroelectric sensor

Eltec 442-3 Interfaced with a Handy Board Example

Eltec 442-3 interface to OOPic Example