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  2. File:555 Pinout.svg - Wikipedia

    en.wikipedia.org/wiki/File:555_Pinout.svg

    The following other wikis use this file: Usage on beta.wikiversity.org Con chíp IC 555; Usage on bn.wikipedia.org ৫৫৫ টাইমার

  3. 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).

  4. Windows Calculator - Wikipedia

    en.wikipedia.org/wiki/Windows_Calculator

    The Calculator in non-LTSC editions of Windows 10 is a Universal Windows Platform app. In contrast, Windows 10 LTSC (which does not include universal Windows apps) includes the traditional calculator, but which is now named win32calc.exe. Both calculators provide the features of the traditional calculator included with Windows 7 and Windows 8.x ...

  5. List of amateur radio software - Wikipedia

    en.wikipedia.org/wiki/List_of_amateur_radio_software

    Windows HamLogBook is a simple logger, with a Windows 95-inspired user interface. It supports common ADIF fields, can look up callsigns on QRZ, exports ADIF 2.0 and can automatically upload to eqsl.net. log4om: Freeware Windows klog: Open-Source (GPL-3.0) Linux, MacOS and Windows QLog: Open-Source (GPL-3.0) Linux, MacOS and Windows QSOMate

  6. DigiKey - Wikipedia

    en.wikipedia.org/wiki/Digikey

    DigiKey is the fourth largest electronic component distributor in North America and the fifth largest electronic component distributor overall. [3] Stordahl privately owns the company. [4] The name "Digi-Key" is a reference to the "Digi-Keyer Kit," a digital electronic keyer kit that Stordahl developed and marketed to amateur radio enthusiasts.

  7. File:555 Monostable.svg - Wikipedia

    en.wikipedia.org/wiki/File:555_Monostable.svg

    Download QR code; In other projects Appearance. move to ... Diagram of a monostable circuit made using the 555 timer IC. A low pulse on the trigger line starts the ...

  8. Window detector - Wikipedia

    en.wikipedia.org/wiki/Window_detector

    window detector circuit diagram. A window detector circuit, also called window comparator circuit or dual edge limit detector circuits is used to determine whether an unknown input is between two precise reference threshold voltages. [1]

  9. Programmable interval timer - Wikipedia

    en.wikipedia.org/wiki/Programmable_Interval_Timer

    The Intel 8253 PIT was the original timing device used on IBM PC compatibles. It used a 1.193182 MHz clock signal (one third of the color burst frequency used by NTSC , one twelfth of the system clock crystal oscillator , [ 1 ] therefore one quarter of the 4.77 MHz CPU clock) and contains three timers.