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  2. Wireless light switch - Wikipedia

    en.wikipedia.org/wiki/Wireless_light_switch

    Wireless light switches eliminate the wire from the light to the switch location. This is useful in remodelling situations where new wiring can be a hassle. Rather than tearing down a wall to gain access to the wires, a wireless switch can be used. This avoids any need to access wires and makes remodelling fast and simple.

  3. Lightning (connector) - Wikipedia

    en.wikipedia.org/wiki/Lightning_(connector)

    The first-generation iPad Pro (12.9-inch models only), and the second-generation iPad Pro, are the only devices in which the Lightning connector supports USB 3.0 host. [9] The only accessory released with USB 3.0 support is the Lightning to USB 3 Camera Adapter. [10] Since iPhone 8 and iPhone X, the Lightning connector is somewhat USB-PD ...

  4. Lightning switch - Wikipedia

    en.wikipedia.org/wiki/Lightning_Switch

    The Lightning Switch transmitter requires no outside source of electricity.Each time the transmitter button is pressed, the transmitter converts the mechanical energy supplied by the user's finger into electricity to power a radio transmission to a receiver/relay through the use of a piezoelectric generator (brand name: Lightning) originally invented by the National Aeronautics and Space ...

  5. Wireless network interface controller - Wikipedia

    en.wikipedia.org/wiki/Wireless_network_interface...

    A wireless network interface controller (WNIC) is a network interface controller which connects to a wireless network, such as Wi-Fi, Bluetooth, or LTE (4G) or 5G rather than a wired network, such as an Ethernet network. A WNIC, just like other NICs, works on the layers 1 and 2 of the OSI model and uses an antenna to communicate via radio waves.

  6. Li-Fi - Wikipedia

    en.wikipedia.org/wiki/Li-Fi

    Li-Fi modules. Li-Fi is a derivative of optical wireless communications (OWC) technology, which uses light from light-emitting diodes (LEDs) as a medium to deliver network, mobile, high-speed communication in a similar manner to Wi-Fi. [4]

  7. Network switch - Wikipedia

    en.wikipedia.org/wiki/Network_switch

    A network switch is a multiport network bridge that uses MAC addresses to forward data at the data link layer (layer 2) of the OSI model. Some switches can also forward data at the network layer (layer 3) by additionally incorporating routing functionality. Such switches are commonly known as layer-3 switches or multilayer switches. [2]

  8. Audio and video interfaces and connectors - Wikipedia

    en.wikipedia.org/wiki/Audio_and_video_interfaces...

    This includes the original 6.35mm (quarter inch) jack and the more recent and standard 3.5mm (miniature or 1/8 inch) and 2.5mm (subminiature) jacks, both mono and stereo (balanced) versions. [2] XLR connectors, also known as Cannon plugs, used for analog or digital balanced audio with a balanced line. Digital audio interfaces and interconnects:

  9. USB hardware - Wikipedia

    en.wikipedia.org/wiki/USB_hardware

    A number of extensions to the USB Specifications have progressively further increased the maximum allowable V_BUS voltage: starting with 6.0 V with USB BC 1.2, [43] to 21.5 V with USB PD 2.0 [44] and 50.9 V with USB PD 3.1, [44] while still maintaining backwards compatibility with USB 2.0 by requiring various forms of handshake before ...