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  2. Utilization categories - Wikipedia

    en.wikipedia.org/wiki/Utilization_categories

    AC-13: Control of solid state loads with transformer isolation: 60947-5-1 AC-14: ... 60947-4-2 AC-55a Switching of electrical controls of discharge lamps 60947-4-3

  3. Dimmer - Wikipedia

    en.wikipedia.org/wiki/Dimmer

    A common dual dimmer module used in stage lighting A dimmer. A dimmer is a device connected to a light fixture and used to lower the brightness of the light.By changing the voltage waveform applied to the lamp, it is possible to lower the intensity of the light output.

  4. 0-10 V lighting control - Wikipedia

    en.wikipedia.org/wiki/0-10_V_lighting_control

    As a practical matter, many 0-10 V dimming control inputs can be operated by replacing the variable control resistor with an electronic switch. When the switch is on, the control voltage is near 0 and the light is fully dim. When the switch is off, the control voltage is maximum and the light is fully bright.

  5. Dashboard Warning Lights Decoded by iPhone – New iOS ... - AOL

    www.aol.com/dashboard-warning-lights-decoded...

    Apple's iOS 17 has a feature, Visual Look Up, that will explain what those lights and symbols are all about. It's coming this fall. Dashboard Warning Lights Decoded by iPhone – New iOS 17 Feature

  6. Pulse-width modulation - Wikipedia

    en.wikipedia.org/wiki/Pulse-width_modulation

    Adjusting the brightness of light emitted by a light source is then merely a matter of setting at what voltage (or phase) in the AC half-cycle the dimmer begins to provide electric current to the light source (e.g. by using an electronic switch such as a triac). In this case the PWM duty cycle is the ratio of the conduction time to the duration ...

  7. 12 reasons you aren't losing weight even though you're eating ...

    www.aol.com/lifestyle/12-reasons-arent-losing...

    4. You're stressed. The relationship between stress and weight gain is complicated. A recent review suggests stress may influence weight through cognitive, behavioral, and physiological pathways ...

  8. Apple nears switch to in-house Bluetooth and Wi-Fi chip for ...

    www.aol.com/news/apple-nears-switch-house...

    The iPhone maker's in-house chips will be produced by Taiwan Semiconductor Manufacturing Co, the report added. ... Apple is planning to switch to a homegrown chip for Bluetooth and Wi-Fi ...

  9. iOS 13 - Wikipedia

    en.wikipedia.org/wiki/IOS_13

    iOS 13 is the thirteenth major release of the iOS mobile operating system developed by Apple for the iPhone, iPod Touch and HomePod. The successor to iOS 12 , it was announced at the company's Worldwide Developers Conference (WWDC) on June 3, 2019, and released on September 19, 2019.