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  2. Level sensor - Wikipedia

    en.wikipedia.org/wiki/Level_sensor

    Pressure level probes are submerged directly into the liquid and remain permanently floating above the tank bottom. The measurement is carried out according to the hydrostatic principle. The gravity pressure of the liquid column causes an expansion of the pressure-sensitive sensor element, which converts the measured pressure into an electrical ...

  3. Float switch - Wikipedia

    en.wikipedia.org/wiki/Float_switch

    A float switch is a type of level sensor, a device used to detect the level of liquid within a tank. The switch may be used to control a pump, as an indicator, an alarm, or to control other devices. One type of float switch uses a mercury switch inside a hinged float.

  4. Cargo control room - Wikipedia

    en.wikipedia.org/wiki/Cargo_control_room

    Tank level information is often sent to computers that calculate hull stresses such as shear forces and bending moments. [4] Various other functions are available in some cargo control rooms. [4] Many offer the person in charge additional monitoring and control systems, [4] the ability to monitor inert gas systems, [4] and tank pressures. [4]

  5. Sight glass - Wikipedia

    en.wikipedia.org/wiki/Sight_glass

    Here the water is at the “top nut”, the maximum working level. Note the patterned backplate to help reading and toughened glass shroud. A sight glass or water gauge is a type of level sensor, a transparent tube through which the operator of a tank or boiler can observe the level of liquid contained within.

  6. Arduino - Wikipedia

    en.wikipedia.org/wiki/Arduino

    Many Arduino-compatible and Arduino-derived boards exist. Some are functionally equivalent to an Arduino and can be used interchangeably. Many enhance the basic Arduino by adding output drivers, often for use in school-level education, [36] to simplify making buggies and small robots. Others are electrically equivalent, but change the form ...

  7. Display driver - Wikipedia

    en.wikipedia.org/wiki/Display_driver

    The display driver may itself be an application-specific microcontroller and may incorporate RAM, Flash memory, EEPROM and/or ROM. Fixed ROM may contain firmware and display fonts. A notable example of a display driver IC is the Hitachi HD44780 LCD controller. Other controllers are KS0108, SSD1815 (graphics capable) and ST7920 (graphics capable)

  8. Free and open-source graphics device driver - Wikipedia

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

    The functional blocks (the application-specific integrated circuit display driver, 2D and 3D acceleration and video decoding and encoding) are separate semiconductor intellectual property (SIP) blocks on the chip, since hardware devices vary substantially; some portable media players require a display driver that accelerates video decoding, but ...

  9. Feed forward (control) - Wikipedia

    en.wikipedia.org/wiki/Feed_forward_(control)

    A sensor monitors that pressure so that the valve only opens enough to cause the correct pressure to reach the wheel turning mechanism. This is feed-forward control where the output of the system, the change in direction of travel of the vehicle, plays no part in the system.