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  2. Anti-lock braking system - Wikipedia

    en.wikipedia.org/wiki/Anti-lock_braking_system

    If the speed sensor detects lock up at any individual wheel, the control module pulses the valve for both wheels on that end of the car. 5) One-channel, one-sensor ABS This system is commonly found on pickup trucks, SUVs, and vans with rear-wheel ABS. It has one valve, which controls both rear wheels, and a one-speed sensor, located in the rear ...

  3. AIM-9 Sidewinder - Wikipedia

    en.wikipedia.org/wiki/AIM-9_Sidewinder

    The viewing angle of the AIM-9B's sensor was a minuscule 4 degrees, So at launch, the pilot had to accurately aim the aircraft's sight over or above the target (to account for drag). The speed of the conical scan was very slow, additionally, the uncooled missile had a low sensitivity and was liable to extraneous heat. The AIM-9B was recommended ...

  4. Lockheed U-2 - Wikipedia

    en.wikipedia.org/wiki/Lockheed_U-2

    The U-2 has also been used for electronic sensor research, satellite calibration, scientific research, and communications purposes. The U-2 is one of a handful of aircraft types to have served the USAF for over 50 years, along with the Boeing B-52, Boeing KC-135, Lockheed C-130 and Lockheed C-5. The newest models (TR-1, U-2R, U-2S) entered ...

  5. Dive computer - Wikipedia

    en.wikipedia.org/wiki/Dive_computer

    A dive computer, personal decompression computer or decompression meter is a device used by an underwater diver to measure the elapsed time and depth during a dive and use this data to calculate and display an ascent profile which, according to the programmed decompression algorithm, will give a low risk of decompression sickness.

  6. User guide - Wikipedia

    en.wikipedia.org/wiki/User_guide

    A user guide, also commonly known as a user manual, is intended to assist users in using a particular product, service or application. It's usually written by a technician, product developer, or a company's customer service staff. Most user guides contain both a written guide and associated images. In the case of computer applications, it is ...

  7. The best robotics kits for beginners - Engadget

    www.engadget.com/2019-08-25-the-best-robotics...

    One sensor acts as an obstacle-detecting bumper so the robot won't run into walls. Another can detect the robot's speed and turn rate, giving it the ability to make exact, 90-degree turns. Other ...

  8. Wireless sensor network - Wikipedia

    en.wikipedia.org/wiki/Wireless_sensor_network

    Wireless sensor network. Wireless sensor networks ( WSNs) refer to networks of spatially dispersed and dedicated sensors that monitor and record the physical conditions of the environment and forward the collected data to a central location. WSNs can measure environmental conditions such as temperature, sound, pollution levels, humidity and wind.

  9. Photodetector - Wikipedia

    en.wikipedia.org/wiki/Photodetector

    The photodetector contains three photodiodes, visible in the photo (in center). Photodetectors, also called photosensors, are sensors of light or other electromagnetic radiation. [1] There are a wide variety of photodetectors which may be classified by mechanism of detection, such as photoelectric or photochemical effects, or by various ...