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2. Internet of things - Wikipedia

   en.wikipedia.org/wiki/Internet_of_things

   Examples of sensors include smoke detectors, motion sensors, and contact sensors. Examples of actuators include smart locks, smart power outlets, and door controls. Popular control platforms on which third-party developers can build smart apps that interact wirelessly with these sensors and actuators include Samsung's SmartThings, [ 295 ] Apple ...

3. Home security - Wikipedia

   en.wikipedia.org/wiki/Home_security

   Door and window sensors are also implemented in most home security systems. One part of the system is installed on the door or window itself while the other part is installed on the frame of the door or window. The two part system connects securely when a door or window is closed, creating a security circuit. [5]

4. Security alarm - Wikipedia

   en.wikipedia.org/wiki/Security_alarm

   Sensors: In a security alarm, some sensors detect intrusions. Sensors' locations are at the perimeter of the protected area, within it, or both. Sensors can detect intruders by different methods. Alerting devices indicate an alarm condition. Most commonly, these are bells, sirens, also and or flashing lights. Alerting devices serve the dual ...

5. SmartThings - Wikipedia

   en.wikipedia.org/wiki/SmartThings

   SmartThings Inc. is an American home automation company headquartered in Mountain View, California.Since August 2014 it is a subsidiary of Samsung Electronics. [2]Founded in 2012, it focuses on the development of eponymous automation software and an associated array of client applications and cloud platforms for smart homes and the consumer Internet of things.

6. Photoelectric sensor - Wikipedia

   en.wikipedia.org/wiki/Photoelectric_sensor

   Conceptual through-beam system to detect unauthorized access to a secure door. If the beam is interrupted, the detector triggers an alarm. A photoelectric sensor is a device used to determine the distance, absence, or presence of an object by using a light transmitter, often infrared, and a photoelectric receiver.

7. Some retailers tell consumers Trump's tariffs are a reason to ...

   www.aol.com/retailers-tell-consumers-trumps...

   Consumer electronics retailer Best Buy CEO Corie Barry similarly said on its latest earnings call that the goods it sells could become more expensive under Trump's proposed tariffs.