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  2. Time switch - Wikipedia

    en.wikipedia.org/wiki/Time_switch

    The timer may switch equipment on, off, or both, at a preset time or times, after a preset interval, or cyclically. A countdown time switch switches power, usually off, after a preset time. A cyclical timer switches equipment both on and off at preset times over a period, then repeats the cycle; the period is usually 24 hours or 7 days.

  3. Leviton - Wikipedia

    en.wikipedia.org/wiki/Leviton

    Leviton was founded in 1906 by Russian immigrants Evser Leviton and his son Isidor Leviton when they began manufacturing brass mantle tips for natural gas lights in Manhattan's Lower East Side. [ 2 ] [ 3 ] [ 4 ] In 1910, Isidor designed a screw-in lampholder for the newly invented electric light bulb and within ten years the lampholders were ...

  4. Cam timer - Wikipedia

    en.wikipedia.org/wiki/Cam_timer

    Most cam timers use a miniature mains synchronous motor to rotate the mechanism at an accurate constant speed. Occasionally more complex timers with two motors are seen. A drum sequencer is a re-programmable electromechanical timing device used to activate electric switches in repetitive sequences.

  5. IEC 61131-3 - Wikipedia

    en.wikipedia.org/wiki/IEC_61131-3

    IEC 61131-3 is the third part (of 10) of the international standard IEC 61131 for programmable logic controllers. It was first published in December 1993 [1] by the IEC; the current (third) edition was published in February 2013. [2] Part 3 of IEC 61131 deals with basic software architecture and programming languages of the control program ...

  6. Timer - Wikipedia

    en.wikipedia.org/wiki/Timer

    A typical kitchen timer. A timer or countdown timer is a type of clock that starts from a specified time duration and stops upon reaching 00:00. An example of a simple timer is an hourglass. Commonly, a timer triggers an alarm when it ends. A timer can be implemented through hardware or software.

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    Get today's best rates on high-yield and traditional savings accounts to more quickly grow your everyday nest egg.

  8. 555 timer IC - Wikipedia

    en.wikipedia.org/wiki/555_timer_IC

    In 1972, Signetics originally released the 555 timer in DIP-8 and TO5-8 metal can packages, and the 556 timer was released in a DIP-14 package. [ 4 ] In 2006, the dual 556 timer was available in through-hole packages as DIP-14 (2.54 mm pitch), [ 21 ] and surface-mount packages as SO-14 (1.27 mm pitch) and SSOP-14 (0.65 mm pitch).

  9. AOL Reviewed: Drew Barrymore’s grind-and-brew coffee maker is ...

    www.aol.com/lifestyle/drew-barrymore-coffee...

    The entire Beautiful by Drew line at Walmart follows the “stylish meets functional” motto, as each piece — from kitchen gadgets to living room furniture — follows modern trends at prices ...

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