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  2. Unattended ground sensor - Wikipedia

    en.wikipedia.org/wiki/Unattended_ground_sensor

    Flexnet™ is a Unattended Ground Sensor capability, [9] from the Swedish company Bertin Exensor, subsidiary of Bertin Technologies. It includes sensors with embedded processing, GPS, and radio communication. Those sensors are based on seismic-acoustic detection, passive infrared, electro-optical and magnetic detection techniques.

  3. Motion detector - Wikipedia

    en.wikipedia.org/wiki/Motion_detector

    A motion detector attached to an outdoor, automatic light. A motion detector is an electrical device that utilizes a sensor to detect nearby motion (motion detection).Such a device is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area.

  4. WiFi Sensing - Wikipedia

    en.wikipedia.org/wiki/WiFi_Sensing

    The paper explores early applications of Wi-Fi Sensing, including motion detection, gesture recognition, and biometric measurement. Moreover, it identifies potential business opportunities within the home security, health care, enterprise, and building automation/management markets. [ 13 ]

  5. List of sensors - Wikipedia

    en.wikipedia.org/wiki/List_of_sensors

    Defect detector; Engine coolant temperature sensor; Hall effect sensor; Wheel speed sensor; Airbag sensors; Automatic transmission speed sensor; Brake fluid pressure sensor; Camshaft position sensor (CMP) Cylinder Head Temperature gauge; Engine crankcase pressure sensor; Exhaust gas temperature sensor; Fuel level sensor; Fuel pressure sensor ...

  6. Wireless sensor network - Wikipedia

    en.wikipedia.org/wiki/Wireless_sensor_network

    Wireless sensor networks are composed of low-energy, small-size, and low-range unattended sensor nodes. Recently, it has been observed that by periodically turning on and off the sensing and communication capabilities of sensor nodes, we can significantly reduce the active time and thus prolong network lifetime.

  7. Home security - Wikipedia

    en.wikipedia.org/wiki/Home_security

    Current cameras feature abilities such as motion detection and two-way audio, allowing users to receive notifications of activity and speak and listen through the camera. Home surveillance cameras used for security purposes have become more accessible, but have sparked security concerns from consumers.

  8. We May Know Why Reba McEntire Is Leaving 'The Voice' for ...

    www.aol.com/lifestyle/may-know-why-reba-mcentire...

    Man charged in Tupac Shakur killing files motion to dismiss the case. Variety. Golden Globes 2025 ratings: 10.1 million viewers, up 7% from last year, Paramount says. Show comments.

  9. Passive infrared sensor - Wikipedia

    en.wikipedia.org/wiki/Passive_infrared_sensor

    A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors . PIR sensors are commonly used in security alarms and automatic lighting applications.