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  2. Limit switch - Wikipedia

    en.wikipedia.org/wiki/Limit_switch

    In electrical engineering, a limit switch is a switch operated by the motion of a machine part or the presence of an object. A limit switch can be used for controlling machinery as part of a control system , as a safety interlock , or as a counter enumerating objects passing a point.

  3. Ladder logic - Wikipedia

    en.wikipedia.org/wiki/Ladder_logic

    Ladder notation is best suited to control problems where only binary variables are required and where interlocking and sequencing of binary is the primary control problem. Like all parallel programming languages , the sequential order of operations may be undefined or obscure; logic race conditions are possible which may produce unexpected results.

  4. Electronic component - Wikipedia

    en.wikipedia.org/wiki/Electronic_component

    Humidistat – Humidity activated switch; Circuit breaker – Switch opened in response to excessive current: a resettable fuse; Disconnector – Switch used in high- and medium-voltage applications for maintenance of other devices or isolation of circuits; Transfer switchSwitch that toggles a load between two sources

  5. A Symbolic Analysis of Relay and Switching Circuits

    en.wikipedia.org/wiki/A_Symbolic_Analysis_of...

    The utilization of the binary properties of electrical switches to perform logic functions is the basic concept that underlies all electronic digital computer designs. Shannon's thesis became the foundation of practical digital circuit design when it became widely known among the electrical engineering community during and after World War II .

  6. 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] It employs two comparators to detect over-voltage or under-voltage. [2]

  7. 2N7000 - Wikipedia

    en.wikipedia.org/wiki/2N7000

    A typical use of these transistors is as a switch for moderate voltages and currents, including as drivers for small lamps, motors, and relays. [1] In switching circuits, these FETs can be used much like bipolar junction transistors, but have some advantages: high input impedance of the insulated gate means almost no gate current is required

  8. Clos network - Wikipedia

    en.wikipedia.org/wiki/Clos_network

    The probability that the path connecting an ingress switch to an egress switch via a particular middle stage switch is free is the probability that both links are free, (1−p) 2. Hence the probability of it being unavailable is 1−(1− p ) 2 = 2 p − p 2 .

  9. Electrical network - Wikipedia

    en.wikipedia.org/wiki/Electrical_network

    A simple electric circuit made up of a voltage source and a resistor. Here, =, according to Ohm's law. An electrical network is an interconnection of electrical components (e.g., batteries, resistors, inductors, capacitors, switches, transistors) or a model of such an interconnection, consisting of electrical elements (e.g., voltage sources, current sources, resistances, inductances ...

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