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  2. Code 3 (TV series) - Wikipedia

    en.wikipedia.org/wiki/Code_3_(TV_series)

    Code 3 is an American crime drama that aired in syndication in 1956 and 1957. [5][3][1][6] The stories were all based on actual files of the Los Angeles sheriff's office. [4] Stories were presented from the viewpoint of Assistant Sheriff George Barrett. At the end of each episode, Eugene W. Biscailuz, "the actual sheriff of Los Angeles County ...

  3. Circuit diagram - Wikipedia

    en.wikipedia.org/wiki/Circuit_diagram

    A circuit diagram (or: wiring diagram, electrical diagram, elementary diagram, electronic schematic) is a graphical representation of an electrical circuit. A pictorial circuit diagram uses simple images of components, while a schematic diagram shows the components and interconnections of the circuit using standardized symbolic representations.

  4. Wiring diagram - Wikipedia

    en.wikipedia.org/wiki/Wiring_diagram

    A wiring diagram is a simplified conventional pictorial representation of an electrical circuit. It shows the components of the circuit as simplified shapes, and the power and signal connections between the devices. A wiring diagram usually gives information about the relative position and arrangement of devices and terminals on the devices, to ...

  5. Serial Peripheral Interface - Wikipedia

    en.wikipedia.org/wiki/Serial_Peripheral_Interface

    Serial Clock. CS. Chip Select (one or more) (pins may have alternative names) Serial Peripheral Interface (SPI) is a de facto standard (with many variants) for synchronous serial communication, used primarily in embedded systems for short-distance wired communication between integrated circuits. SPI follows a master–slave architecture, [1 ...

  6. Dia (software) - Wikipedia

    en.wikipedia.org/wiki/Dia_(software)

    Type. Diagramming software. License. GPL-2.0-or-later. Website. GNOME Apps. Dia (/ ˈdiːə /) [ 3 ] is free and open source general-purpose diagramming software, developed originally by Alexander Larsson. [ 1 ] It uses a controlled single document interface (SDI) similar to GIMP and Inkscape.

  7. Liquid-crystal display - Wikipedia

    en.wikipedia.org/wiki/Liquid-crystal_display

    A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers to display information. Liquid crystals do not emit light directly [1] but instead use a backlight or reflector to produce images in color or monochrome.

  8. Electronic symbol - Wikipedia

    en.wikipedia.org/wiki/Electronic_symbol

    Electronic symbol. An electronic symbol is a pictogram used to represent various electrical and electronic devices or functions, such as wires, batteries, resistors, and transistors, in a schematic diagram of an electrical or electronic circuit. These symbols are largely standardized internationally today, but may vary from country to country ...

  9. Programmable logic controller - Wikipedia

    en.wikipedia.org/wiki/Programmable_logic_controller

    SCADA. v. t. e. A programmable logic controller (PLC) or programmable controller is an industrial computer that has been ruggedized and adapted for the control of manufacturing processes, such as assembly lines, machines, robotic devices, or any activity that requires high reliability, ease of programming, and process fault diagnosis.