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  2. 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.

  3. Electronic symbol - Wikipedia

    en.wikipedia.org/wiki/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, or engineering ...

  4. Wiring diagram - Wikipedia

    en.wikipedia.org/wiki/Wiring_diagram

    An automotive wiring diagram, showing useful information such as crimp connection locations and wire colors. These details may not be so easily found on a more schematic drawing. 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 ...

  5. Thermoelectric cooling - Wikipedia

    en.wikipedia.org/wiki/Thermoelectric_cooling

    Thermoelectric cooling uses the Peltier effect to create a heat flux at the junction of two different types of materials. A Peltier cooler, heater, or thermoelectric heat pump is a solid-state active heat pump which transfers heat from one side of the device to the other, with consumption of electrical energy, depending on the direction of the current.

  6. Computer fan control - Wikipedia

    en.wikipedia.org/wiki/Computer_fan_control

    Increasing the voltage [4] over the default 12 V can be achieved by e.g. connecting the −12 V or −5 V power line instead of the ground wire in the fan connector, and by connecting the 5 V power line in the +12 V input of the fan connector. Through this procedure, 10, 17 and 24 V voltages can be achieved, with voltages exceeding 12 V being ...

  7. Computer fan - Wikipedia

    en.wikipedia.org/wiki/Computer_fan

    4-Wire PWM Controlled Fans Specification v1.3 – Intel; 3-Wire and 4-Wire Fan Connectors – Intel; 3-Wire and 4-Wire Fan Pinouts – AllPinouts; How PC Fans Work (2/3/4-wire) – PCB Heaven; Why and How to Control (2/3/4-wire) Fan Speed for Cooling Electronic Equipment – Analog Devices; PWM Fan Controller project – Alan's Electronic Projects

  8. Electronics cooling - Wikipedia

    en.wikipedia.org/wiki/Electronics_cooling

    Besides passive heat conduction, active cooling consuming electricity can be achieved through the thermoelectric coolers. [5] When electrical voltage is added to an n-type (p-type) semiconductor material, the electric filed will drive electrons from one end to the other, which will also carry the electronic kinetic energy and entropy.

  9. Electrical wiring - Wikipedia

    en.wikipedia.org/wiki/Electrical_wiring

    The first rubber-insulated cables for US building wiring were introduced in 1922 with US patent 1458803, Burley, Harry & Rooney, Henry, "Insulated electric wire", issued 1923-06-12, assigned to Boston Insulated Wire and Cable . These were two or more solid copper electrical wires with rubber insulation, plus woven cotton cloth over each ...

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