Introduction Greenhouses and indoor farms are controlled environments where automation can improve efficiency. PIR sensors contribute by detecting pests, tracking workers, and automating responses. Applications in Greenhouses Pest Detection Detect larger animal pests like rodents, rabbits, or birds that enter…

Introduction Automatic doors and gates rely on sensors to detect approaching people and trigger the opening mechanism. PIR sensors are a popular choice due to their low cost, reliability, and ability to detect warm bodies. Types of Automatic Door Sensors…

Introduction Smart elevators use sensors to optimize operation. PIR sensors can detect if people are waiting or inside, enabling more efficient dispatching. Applications in Elevators Waiting Area Detection Detect people waiting for elevator on each floor. If no one is…

Introduction Vending machines are becoming smarter. PIR sensors play a key role in detecting approaching customers, waking up the machine, and powering down when no one is around. Applications in Vending Customer Detection When a person approaches, the machine can:…

Introduction Traditional pyroelectric materials like lithium tantalate and PZT have served well for decades. However, emerging materials promise higher sensitivity, flexibility, and integration with modern electronics. Graphene-Based Pyroelectric Sensors Graphene has exceptional electronic and thermal properties. Researchers have demonstrated graphene-based…