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  2. Xyloband - Wikipedia

    en.wikipedia.org/wiki/Xyloband

    The lights inside the wristband can be controlled by a software program, which sends signals to the wristband, instructing it to light up or blink, for example. The single colour version is available in green, blue, yellow, red, pink, and white. The first use of Xylobands on a large scale was on Coldplay's 2012 Mylo Xyloto Tour. A Xyloband was ...

  3. Philips Hue - Wikipedia

    en.wikipedia.org/wiki/Philips_Hue

    Philips Hue is a line of color-changing LED lamps and white bulbs which can be controlled wirelessly. The Philips Hue line of bulbs was the first smart bulb of its kind on the market. [ 3 ] The lamps are currently created and manufactured by Signify N.V. , formerly the Philips Lighting division of Royal Philips N.V. [ 1 ] [ 4 ]

  4. Light switch - Wikipedia

    en.wikipedia.org/wiki/Light_switch

    In electrical wiring, a light switch is a switch most commonly used to operate electric lights, permanently connected equipment, or electrical outlets. Portable lamps such as table lamps may have a light switch mounted on the socket, base, or in-line with the cord.

  5. Wireless light switch - Wikipedia

    en.wikipedia.org/wiki/Wireless_light_switch

    Dimmer light switch with RF-based remote control [1] 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]

  6. Optical transistor - Wikipedia

    en.wikipedia.org/wiki/Optical_transistor

    An optical transistor, also known as an optical switch or a light valve, is a device that switches or amplifies optical signals.Light occurring on an optical transistor's input changes the intensity of light emitted from the transistor's output while output power is supplied by an additional optical source.

  7. The 'light sabre' wielding photographer creating colourful ...

    www.aol.com/light-sabre-wielding-photographer...

    He became "utterly obsessed" with light painting to capture the "magical" landscapes of Guernsey at night. When he moved back to Scotland in 2015, he says the "dramatic" and "iconic" backdrops of ...

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