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  2. A Cat Lady’s Honest Review of Whisker’s Litter-Robot 4 (and ...

    www.aol.com/lifestyle/cat-lady-honest-review...

    Pro: Cat detection sensor prevents cleaning cycle with a cat inside. Pro: Customize the cycle timer. Pro: Advanced odor control. Pro: Much quieter when cycling—almost unnoticeable.

  3. Cat repeller - Wikipedia

    en.wikipedia.org/wiki/Cat_repeller

    A cat repeller is a device or substance used to discourage cats from entering an area, or to encourage them to leave if they do enter. Such deterrents are most commonly used by gardeners, in order to prevent damage to their gardens, to avoid cat feces , or to protect birds .

  4. Occupancy sensor - Wikipedia

    en.wikipedia.org/wiki/Occupancy_sensor

    Occupancy sensor types include: PIR sensors, which work on heat difference detection, measuring infrared radiation.Inside the device is a pyroelectric sensor which can detect the sudden presence of objects (such as humans) who radiate a temperature different from the temperature of the background, such as the room temperature of a wall.

  5. Electronic pest control - Wikipedia

    en.wikipedia.org/wiki/Electronic_pest_control

    Electronic pest control is the name given to any of several types of electrically powered devices designed to repel or eliminate pests, usually rodents or insects. Since these devices are not regulated under the Federal Insecticide, Fungicide, and Rodenticide Act in the United States, the EPA does not require the same kind of efficacy testing that it does for chemical pesticides.

  6. Ultrasonic transducer - Wikipedia

    en.wikipedia.org/wiki/Ultrasonic_transducer

    A curvilinear array ultrasonic transducer for use in medical ultrasonography Inside construction of a Philips C5-2 128 element curved array ultrasound sensor. Ultrasonic transducers and ultrasonic sensors are devices that generate or sense ultrasound energy. They can be divided into three broad categories: transmitters, receivers and transceivers.

  7. 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.

  8. Home automation - Wikipedia

    en.wikipedia.org/wiki/Home_automation

    Leak detection, smoke and CO detectors [16] [17] Laundry-folding machine, self-making bed; Indoor positioning systems (IPS). Home automation for the elderly and disabled. Pet and baby care, for example tracking the pets and babies' movements and controlling pet access rights. [18] Air quality control (inside and outside).

  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.