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  2. Electrical wiring - Wikipedia

    en.wikipedia.org/wiki/Electrical_wiring

    Electrical wiring is an electrical installation of cabling and associated devices such as switches, distribution boards, sockets, and light fittings in a structure. Wiring is subject to safety standards for design and installation.

  3. Dia (software) - Wikipedia

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

    Dia loads and saves diagrams in a custom XML format which is, by default, gzipped to save space. It can print large diagrams spanning multiple pages [4] and can also be scripted using the Python programming language.

  4. List of open-source hardware projects - Wikipedia

    en.wikipedia.org/wiki/List_of_open-source...

    USRP – universal software radio peripheral is a mainboard with snap in modules providing software defined radio at different frequencies, has USB 2.0 link to a host computer; PowWow Power Optimized Hardware and Software FrameWork for Wireless Motes – hardware–software platform for wireless sensor networks

  5. Plugboard - Wikipedia

    en.wikipedia.org/wiki/Plugboard

    The wiring on a plugboard connects these devices to perform a specific function, say reading cards and summing up the numbers punched in a group of columns. A modern comparison would be a field-programmable gate array (FPGA), with the plugboard serving the same purpose as the wiring layer in the FPGA.

  6. Electric (software) - Wikipedia

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

    www.gnu.org /software /electric The Electric VLSI Design System is an EDA tool written in the early 1980s by Steven M. Rubin. [ 3 ] [ 4 ] [ 5 ] Electric is used to construct logic wire schematics and to perform analysis of integrated circuit layout.

  7. Power strip - Wikipedia

    en.wikipedia.org/wiki/Power_strip

    A North American power strip with two USB power ports that includes a built in surge protector. A power strip (also known as a multi-socket, power board and many other variations [a]) is a block of electrical sockets that attaches to the end of a flexible cable (typically with a mains plug on the other end), allowing multiple electrical devices to be powered from a single electrical socket.

  8. Multiway switching - Wikipedia

    en.wikipedia.org/wiki/Multiway_switching

    The switches may be arranged so that they are in the same orientation for off, and contrasting orientations for on. [1] A "4-way" (intermediate) switch is a purpose built double pole, double throw (DPDT) switch, internally wired in manufacture to reverse the connections between the input and output and having only four external terminals. This ...

  9. Ladder logic - Wikipedia

    en.wikipedia.org/wiki/Ladder_logic

    The key to understanding the latch is in recognizing that the "Start" switch is a momentary switch (once the user releases the button, the switch is open again). As soon as the "Run" solenoid engages, it closes the "Run" NO contact, which latches the solenoid on. The "Start" switch opening up then has no effect.