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  2. Electronic control unit - Wikipedia

    en.wikipedia.org/wiki/Electronic_control_unit

    An electronic control unit (ECU), also known as an electronic control module (ECM), is an embedded system in automotive electronics that controls one or more of the electrical systems or subsystems in a car or other motor vehicle.

  3. Proportional–integral–derivative controller - Wikipedia

    en.wikipedia.org/wiki/Proportional–integral...

    In the standard form of the equation (see later in article), and are respectively replaced by / and ; the advantage of this being that and have some understandable physical meaning, as they represent an integration time and a derivative time respectively.

  4. Embedded system - Wikipedia

    en.wikipedia.org/wiki/Embedded_system

    An embedded system on a plug-in card with processor, memory, power supply, and external interfaces. An embedded system is a specialized computer system—a combination of a computer processor, computer memory, and input/output peripheral devices—that has a dedicated function within a larger mechanical or electronic system.

  5. DRE voting machine - Wikipedia

    en.wikipedia.org/wiki/DRE_voting_machine

    A DRE voting machine, or direct-recording electronic voting machine, records votes by means of a ballot display provided with mechanical or electro-optical components that can be activated by the voter.

  6. Electrical engineering - Wikipedia

    en.wikipedia.org/wiki/Electrical_engineering

    Electrical engineering is an engineering discipline concerned with the study, design, and application of equipment, devices, and systems that use electricity, electronics, and electromagnetism.

  7. Parallel ATA - Wikipedia

    en.wikipedia.org/wiki/Parallel_ATA

    Parallel ATA (PATA), originally AT Attachment, also known as Integrated Drive Electronics (IDE), is a standard interface designed for IBM PC-compatible computers.It was first developed by Western Digital and Compaq in 1986 for compatible hard drives and CD or DVD drives.

  8. Electronics - Wikipedia

    en.wikipedia.org/wiki/Electronics

    Modern surface-mount electronic components on a printed circuit board, with a large integrated circuit at the top. Electronics is a scientific and engineering discipline that studies and applies the principles of physics to design, create, and operate devices that manipulate electrons and other electrically charged particles.

  9. Communications system - Wikipedia

    en.wikipedia.org/wiki/Communications_system

    An optical communication system is any form of communications system that uses light as the transmission medium. Equipment consists of a transmitter, which encodes a message into an optical signal, a communication channel, which carries the signal to its destination, and a receiver, which reproduces the message from the received optical signal.