Motion sensing is a technology that detects movement in a specific area. It uses sensors, such as infrared, ultrasonic, or camera-based systems, to identify changes in position or activity. This technology is commonly used in security systems, automatic lighting, and gaming devices, allowing them to respond to the presence of people or objects. The data collected by motion sensors can trigger various actions, such as turning on lights when someone enters a room or activating an alarm when unexpected movement is detected. Motion sensing enhances user experience and safety in many applications, making environments more interactive and responsive.