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, ...

The presented schematic shows how to build a simple PIR motion sensor. PIR sensors allow motion sensing, it is almost always used to detect whether someone has moved in or out of the sensors range.

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 ...

Thanks to the company’s technology and new pyroelectric ceramic materials, Murata was able to craft a smaller lead-free, surface-mount pyroelectric infrared (PIR) sensor. Thanks to the company’s ...