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  2. Philips Hue - Wikipedia

    en.wikipedia.org/wiki/Philips_Hue

    The Hue Bridge is the central controller of the lighting system which allows the bulbs to "communicate" with Apple HomeKit [5] and the app. In 2016, Philips released a new square shaped v2 bridge with increased memory and processor speed which replaced the round v1 bridge. The first-generation bridge received a final software update in April ...

  3. Lighting control system - Wikipedia

    en.wikipedia.org/wiki/Lighting_control_system

    A lighting control system incorporates communication between various system inputs and outputs related to lighting control with the use of one or more central computing devices. Lighting control systems are widely used on both indoor and outdoor lighting of commercial, industrial, and residential spaces. Lighting control systems are sometimes ...

  4. Wireless light switch - Wikipedia

    en.wikipedia.org/wiki/Wireless_light_switch

    A wireless light switch is a light switch that commands a light or home appliance to turn itself off or on, instead of interrupting the power line going to the light fixture. There are different ways to communicate between the switch and the fixture: [2] Using radio transmission: A radio receiver is typically wired or screwed into a fixture or ...

  5. Mechanically powered flashlight - Wikipedia

    en.wikipedia.org/wiki/Mechanically_powered...

    Mechanically powered flashlights were distributed by aid organizations to survivors of the 2010 Haiti earthquake since electric power was lost for a long period. A mechanically powered flashlight (UK: mechanically powered torch) is a flashlight that is powered by electricity generated by the muscle power of the user, so it does not need ...

  6. Flashlight - Wikipedia

    en.wikipedia.org/wiki/Flashlight

    A flashlight (US English) or electric torch (Commonwealth English), usually shortened to torch, is a portable hand-held electric lamp. Formerly, the light source typically was a miniature incandescent light bulb, but these have been displaced by light-emitting diodes (LEDs) since the early 2000s.

  7. Multiway switching - Wikipedia

    en.wikipedia.org/wiki/Multiway_switching

    Electrical installations. In building wiring, multiway switching is the interconnection of two or more electrical switches to control an electrical load from more than one location. A common application is in lighting, where it allows the control of lamps from multiple locations, for example in a hallway, stairwell, or large room.

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