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  2. Wireless light switch - Wikipedia

    en.wikipedia.org/wiki/Wireless_light_switch

    Installing a wired switch in a solid brick or concrete wall or installing on a plaster or tiled wall requires delicate routing and drilling to create a channel in the wall for the wire and space for the switch and switch box inside the wall. This routing and drilling work could damage the surface, causing expensive repair work. Wireless ...

  3. Ring (company) - Wikipedia

    en.wikipedia.org/wiki/Ring_(company)

    Ring LLC is a manufacturer of home security and smart home devices owned by Amazon. It manufactures a titular line of smart doorbells , home security cameras , and alarm systems . It also operates Neighbors , a social network that allows users to discuss local safety and security issues, and share footage captured with Ring products.

  4. Smart ring - Wikipedia

    en.wikipedia.org/wiki/Smart_ring

    Secure access control such as for company entry and exit, home access, cars, and electronic devices was the first use of smart rings. Smart rings change the status quo for secure access control by increasing ease of use, decreasing physical security flaws such as by ease of losing the device, and by adding two-factor authentication mechanisms including biometrics and key code entry.

  5. Light switch - Wikipedia

    en.wikipedia.org/wiki/Light_switch

    A toggle light switch Internal components of a toggle switch. The toggle mechanism provides "snap-action" through the use of an "over-center" geometry. The design was patented in 1916 by William J. Newton and Morris Goldberg. [2] The switch actuator does not control the contacts directly, but through an intermediate arrangement of springs and ...

  6. Ethernet Ring Protection Switching - Wikipedia

    en.wikipedia.org/wiki/Ethernet_Ring_Protection...

    A ring link is bounded by two adjacent Ethernet Ring Nodes, and a port for a ring link is called a ring port. The minimum number of Ethernet Ring Nodes in an Ethernet Ring is three. [1] The fundamentals of this ring protection switching architecture are: The principle of loop avoidance.

  7. Internet of things - Wikipedia

    en.wikipedia.org/wiki/Internet_of_things

    Cisco has deployed technologies for Smart Wi-Fi, Smart Safety & Security, Smart Lighting, Smart Parking, Smart Transports, Smart Bus Stops, Smart Kiosks, Remote Expert for Government Services (REGS) and Smart Education in the five km area in the city of Vijaywada, India. [102] [103]

  8. List of characters in mythology novels by Rick Riordan

    en.wikipedia.org/wiki/List_of_characters_in...

    Grover Underwood is a satyr and Percy's best friend. He appears in The Lightning Thief, The Sea of Monsters, The Titan's Curse, The Battle of the Labyrinth, The Last Olympian, The Son of Neptune, The House of Hades, The Blood of Olympus, The Burning Maze, The Chalice of the Gods and Wrath of the Triple Goddess.

  9. Franklin D. Roosevelt - Wikipedia

    en.wikipedia.org/wiki/Franklin_D._Roosevelt

    The new Society would not become involved in the Western Hemisphere, where the Monroe doctrine held sway. It would not have any control over military forces. Although Roosevelt's plan was never made public, he thought about the problem a great deal and incorporated some of his 1924 ideas into the design for the United Nations in 1944–1945. [113]