Where motion sensors are used?
Motion sensors are used together with some kind of other devices, such as security cameras, alarms or lightings. One of the most common usages of a motion sensor is together with an alarm system. These alarm systems are installed in both individual properties as well as commercial buildings to detect motion of unwanted trespassers. When a burglar walks into the detection range of the sensor it automatically starts the alarm. Motion detectors are also used together with security cameras, when motion is detected the security camera is turned on to catch the person walking by the observed location.
More advanced motion sensors are used in many new technologies, such as gaming consoles, smartphones, robotics and others.
Besides previously mentioned applications, motion detectors are often used together with lights and lighting systems both for security and safety purposes. When a person walks by an area which is monitored by the motion sensor, the light is automatically turned on at the moment, when a motion is detected. Motion activated lights are often used together with security cameras and alarms in security systems.
Types of motion detectors
Motion detectors can be categorized in three types – active, passive and combined sensors. Each of these sensors respond to different actions and each are used in different situations.
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