(Passive InfraRed sensor) A device used to detect motion by receiving infrared radiation. When a person walks past the sensor, it detects a rapid change of infrared energy and sends a signal.

Perezenting_3D_Prints is using a Raspberry Pi to power this automated pumpkin that senses people when they walk by and turns ...

Sealed optical chamber protects sensor from insects and air currents. Temperature compensation for optimum catch performance and false alarm protection. 30 V/m advanced RF protection up to 1 GHz ...

There’s a huge market for 433 MHz alarm system hardware out there, from PIR motion detectors to door and window sensors. If you want to put them to work, all you need is a receiver, a network ...

Are you curious about the fascinating world of smart home technology? Are you eager to understand the inner workings of those ...

Smart home sensors don't just help keep you safe -- with the right tricks they can spot pest activity and entrances, too.

Blue Line Gen 2 Motion detectors include the passive infrared (PIR), the Quad PIR detectors and the TriTech detectors that combine ... assuring no coverage gaps up to twelve meters (40 feet) away from ...

this DIY motion trigger for a DSLR is a quick and easy build, and probably loads more fun. The BOM on [Jeremy S Cook]’s build is extremely short – just a PIR sensor and an optoisolator ...

Its awesome to see Reolinks latest security camera already on sale! The bundle comes with a 6W solar panel. It is a top-notch ...

(Verisure) This motion sensor uses integrated passive infrared (PIR) sensors that emit infrared light to assess how the energy patterns change within a space. If triggered, the system will take ...

It comes with a PIR motion sensor that will automatically activate when it detects motion within 30 feet. Equipped with 3 D-cell batteries you can install them in big bathrooms, porches ...