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A motion sensor is a device that detects physical movement on a device or within an environment. It has the ability to detect and capture physical and/or kinetic movements in real time.
A motion sensor is also known as a motion detector.
A motion sensor is a type of electronic sensor. It is usually embedded within consumer-end devices such as:
Depending on the ability of the motion sensor, it can detect motions within the device in which it is integrated or the surrounding environment. It is usually connected with a system or software that processes the motion into an action or information. For example, in smart phones, motion sensors are primarily used to take input from users in supported games and other applications.