A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors.

PIR sensors are experiencing sustained growth in 2026 driven largely by the expansion of smart home technology and building automation.

Home automation with high usefulness and low annoyance tends to rely on reliable person sensing, and [francescopace]’s ESPectre shows one way to do that cheaply and easily by leveraging ...

Electro-optical detectors are used to measure or sense the radiation emitted or reflected by objects within the detector’s optical field of view (FOV). Passive systems operate without any illumination ...

Staff Sgt. Jacob Rascon, right, and Sgt. David Hendrixson, both assigned to 3rd Brigade Combat Team, 101st Airborne Division (Air Assault), analyze prototyped cyber field equipment during Cyber Quest ...

Lockheed Martin secured a $328.5 million contract through the U.S. government’s Foreign Military Sales (FMS) program to provide the Taiwan Air Force with IRST21 Legion-ES systems, infrared search and ...

Proposals must demonstrate the ability to detect, track and discriminate intercontinental ballistic missiles and hypersonic ...

UC San Diego has developed a system that uses analog sensors with a direct interface to RFID tags, making them passive sensor devices. The solution includes analog to digital conversion without ...

The contract supports a recent U.S. government FMS agreement and will deliver the Legion-ES variant of Lockheed Martin’s ...