CAMBRIDGE, UK — The IRS-B210ST01-R1 pyroelectric infrared (PIR) sensor is what manufacturer Murata claims to be the world's smallest at just 5.0×4.7×2.4mm, enabling the sensor to be used in compact, ...

A Pyroelectric Infrared Sensor is an electronic device that detects infrared radiation emitted by objects, particularly those with a temperature above absolute zero. These sensors utilize pyroelectric ...

Hoofddorp, Netherlands: The latest version of Murata's pyroelectric infrared (PIR) sensor is claimed by the company to be the world's smallest at 5.0 x 4.7 x 2.4 mm, enabling the sensor to be used in ...

Abstract: Nowadays, human body motion detection is closely related to national defense security, urban public security, and people's daily lives. In this paper, the pyroelectric sensor is utilized to ...

IRISYS (Infrared Integrated Systems Ltd), Northampton, UK, is promoting thermal technology for intelligent building. Using its own thermal imaging cameras, the company has developed a range of ...

Abstract: Nowadays, the installation of affordable automation and security system for residential and office usage has been a necessity in line with the increasing number of break-in cases in urban ...

With characteristics of low-cost and easy deployment, the distributed wireless pyroelectric infrared sensor network has attracted extensive interest, which aims to make it an alternate infrared video ...

This circuit is from the GLOLAB web page. The document referenced here includes an excellent design as well as an excellent tutorial on PIR devices. You've probably seen these devices in homes and ...