PIR & Motion Sensor
PIR & Motion Sensor
February 2026 – Murata Targets Wearables with Miniature SMD PIR Sensors Murata has announced an expansion of its pyroelectric infrared sensor lineup with new surface-mount device (SMD) packages designed for compact and wearable applications. The new sensors maintain the performance…
February 2026 – InfraTec Digitalizes Pyroelectric Detection InfraTec, a leading manufacturer of infrared detectors, has announced a new series of digital pyroelectric detectors featuring an integrated I2C interface. The LIE-700 Digital series brings programmability and smart features to pyroelectric sensing.…
February 2026 – Nest Learning Thermostat (4th Gen) Features PIR Occupancy Google has unveiled the 4th generation Nest Learning Thermostat, featuring an integrated ultra-low power PIR sensor for accurate room occupancy detection. This marks a significant upgrade from previous models…
February 2026 – MIT Graphene Research Could Transform PIR Sensors A research team at MIT has demonstrated a graphene-based pyroelectric sensor with sensitivity approximately 100 times higher than conventional lithium tantalate or PZT-based sensors. The breakthrough, published in Nature Photonics,…
February 2026 – NHTSA Finalizes Child Presence Detection Rule The National Highway Traffic Safety Administration (NHTSA) has finalized regulations requiring all new passenger vehicles weighing less than 10,000 pounds to include child presence detection systems by the 2028 model year.…
Introduction A PIR sensor datasheet contains all the technical information you need to use the sensor correctly. But if you’re new, the jargon can be overwhelming. This guide explains common sections and parameters. Typical Sections of a PIR Sensor Datasheet…
Introduction PIR sensors have been around for decades, but they continue to evolve. Here are the key trends shaping the future of motion sensing. 1. Ultra-Low Power for Energy Harvesting As IoT devices aim for battery-free operation, PIR sensors are…
Introduction With so many PIR sensor modules on the market, choosing the right one can be overwhelming. We’ve tested dozens and compiled this list of the top 10 PIR sensors for 2025, considering factors like price, reliability, power consumption, and…
Introduction When you need to detect motion or presence, you have several technology choices. Each has strengths and weaknesses. This article compares PIR (Passive Infrared), microwave Doppler, and mmWave radar to help you choose. PIR (Passive Infrared) How it works:…
Introduction Thermopile sensors are often confused with PIR sensors because both detect infrared. However, they operate on different principles and serve different purposes. This article clarifies the differences. PIR (Passive Infrared) – Motion Detection Principle: Pyroelectric effect – generates charge…