PIR & Motion Sensor
PIR & Motion Sensor
June 2, 2026 – Austin, TX – Silicon Labs Streamlines Wireless PIR Sensor Design Silicon Labs has announced the EFR32xG28-PIR, a new wireless SoC that integrates a PIR analog front-end with a low-power radio, enabling single-chip wireless motion sensors with…
Introduction Large televisions, particularly older plasma screens, can emit significant infrared radiation and electrical noise that interferes with PIR sensors. How Displays Cause Interference Plasma TVs (Worst Offenders) Plasma displays generate significant heat and emit IR. The picture content changes…
Introduction Cold climates pose serious challenges for PIR sensors: reduced sensitivity, condensation, icing, and battery voltage drop. This guide covers sensors designed for reliable operation in freezing temperatures. Key Features for Cold Climate Sensors 1. Wide Temperature Range Look for…
Introduction Staircases are high-risk areas for falls, especially in the dark. PIR sensors can trigger lighting when someone approaches, improving safety and saving energy. Applications Automatic Stair Lighting Lights turn on when person approaches staircase, turn off after they pass.…
Introduction Pet owners face a common dilemma: keeping security systems armed without false alarms from pets. Pet-immune PIR sensors solve this with specialized lenses and signal processing. This guide covers the best options for 2026. How Pet-Immune Sensors Work Optical…
May 31, 2026 – Ann Arbor, MI – Non-Contact Sleep Monitoring Using PIR Researchers at the University of Michigan have published a study demonstrating that ceiling-mounted PIR sensors can track sleep patterns without requiring wearables or cameras. The system uses…
Introduction High humidity environments like bathrooms, greenhouses, and tropical locations can cause PIR sensors to malfunction. Moisture in the air and on the lens interferes with infrared transmission. How Humidity Affects PIR Sensors Water Vapor Absorption Water vapor absorbs infrared…
Introduction Outdoor security lighting is one of the most common applications for PIR sensors. This guide covers the best options for floodlights, pathway lighting, and perimeter security. Key Features for Outdoor Lighting Sensors 1. Weather Resistance IP55 or higher rating…
Introduction Smart classrooms use technology to enhance learning and save energy. PIR sensors contribute to both goals through occupancy detection and automated control. Applications in Classrooms Occupancy-Based Lighting and HVAC Lights and HVAC automatically turn off when classroom is empty,…
Introduction Garages and workshops present unique challenges: temperature extremes, dust, vibration, and detection of both vehicles and people. This guide covers the best PIR sensors for these environments. Key Requirements for Garage Sensors 1. Wide Temperature Range Garages experience extreme…