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  2. Mobile Electronic Certified Professional - Wikipedia

    en.wikipedia.org/wiki/Mobile_Electronic...

    Designed for mobile electronics installers, MECP certification training teaches the theory and practice of the 12-volt electronics industry. Exam questions and course content focus on "real-world" scenarios such as "eliminating noise, selecting proper gauge wires, determining ground locations and dealing with customer issues."

  3. Digital Addressable Lighting Interface - Wikipedia

    en.wikipedia.org/wiki/Digital_Addressable...

    Digital Addressable Lighting Interface (DALI) is a trademark for network-based products that control lighting. The underlying technology was established by a consortium of lighting equipment manufacturers as a successor for 1-10 V/ 0–10 V lighting control systems, and as an open standard alternative to several proprietary protocols.

  4. Electrical wiring in North America - Wikipedia

    en.wikipedia.org/wiki/Electrical_wiring_in_North...

    The most common three-phase system will have three hot legs, 208 V to each other and 120 V each to the neutral. An older, but still widely used, high-leg delta system uses three phases with 240 volts phase-to-phase for motor loads, and 120 volts for lighting loads by use of a center-tapped transformer; two of the phases are 120 volts to neutral ...

  5. Vari-Lite - Wikipedia

    en.wikipedia.org/wiki/Vari-Lite

    The company subsequently incorporated as Vari-Lite Inc. [8] and struck distribution deals to introduce the product into international markets. [citation needed]The Series 200 system launched in 1987, featuring the Artisan Control Console and two new luminaires: the VL2—a direct descendant of the VL1—and the VL3, based on the VL-Zero.

  6. LED lamp - Wikipedia

    en.wikipedia.org/wiki/LED_lamp

    A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...

  7. Andrew Ng - Wikipedia

    en.wikipedia.org/wiki/Andrew_Ng

    Ng taught machine learning and Widom taught databases. The course on AI taught by Thrun led to the genesis of Udacity. [48] The seeds of massive open online courses (MOOCs) go back a few years before the founding of Coursera in 2012. Two themes emphasized in the founding of modern MOOCs were scale and availability. [48]

  8. LED circuit - Wikipedia

    en.wikipedia.org/wiki/LED_circuit

    An active constant current source is commonly used for high power LEDs, stabilizing light output over a wide range of input voltages which might increase the useful life of batteries. Active constant current is typically regulated using a depletion-mode MOSFET (metal–oxide–semiconductor field-effect transistor), which is the simplest ...

  9. Lighting control system - Wikipedia

    en.wikipedia.org/wiki/Lighting_control_system

    A lighting control system is intelligent network-based lighting control that 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 ...

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