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  2. Perspective-n-Point - Wikipedia

    en.wikipedia.org/wiki/Perspective-n-Point

    For each solution to PnP, the chosen point correspondences cannot be colinear. In addition, PnP can have multiple solutions, and choosing a particular solution would require post-processing of the solution set. RANSAC is also commonly used with a PnP method to make the solution robust to outliers in the set of point correspondences. P3P methods ...

  3. Photodiode - Wikipedia

    en.wikipedia.org/wiki/Photodiode

    The passive-pixel sensor (PPS) is a type of photodiode array. It was the precursor to the active-pixel sensor (APS). [20] A passive-pixel sensor consists of passive pixels which are read out without amplification, with each pixel consisting of a photodiode and a MOSFET switch. [24]

  4. 2N3906 - Wikipedia

    en.wikipedia.org/wiki/2N3906

    The 2N3906 is a commonly used PNP bipolar junction transistor intended for general purpose low-power amplifying or switching applications. [1] [2] It is designed for low electric current and power and medium voltage, and can operate at moderately high speeds. It is complementary to the 2N3904 NPN transistor. [3]

  5. Proximity sensor - Wikipedia

    en.wikipedia.org/wiki/Proximity_sensor

    An infrared proximity sensor Optical proximity sensor in a 2016 Samsung smartphone.A proximity sensor is a standard feature of most smartphones, disabling the touchscreen when positioned near an ear during phone calls; more recent (late 2019-early 2020) smartphones with OLED displays may have the sensor mounted under the display.

  6. Open collector - Wikipedia

    en.wikipedia.org/wiki/Open_collector

    The NPN BJT (n-type bipolar junction transistor) and nMOS (n-type metal oxide semiconductor field effect transistor) have greater conductance than their PNP and pMOS relatives, so may be more commonly used for these outputs. Open outputs using PNP and pMOS transistors will use the opposite internal voltage rail used by NPN and nMOS transistors.

  7. Photoelectric sensor - Wikipedia

    en.wikipedia.org/wiki/Photoelectric_sensor

    Remote photoelectric sensors used for remote sensing contain only the optical components of a sensor. The circuitry for power input, amplification, and output switching is located elsewhere, typically in a control panel. This allows the sensor, itself, to be very small. Also, the controls for the sensor are more accessible, since they may be ...

  8. PNP - Wikipedia

    en.wikipedia.org/wiki/PnP

    PNP transistor; P versus NP problem; Plug and play, not requiring configuration Legacy Plug and Play or Legacy PnP; Perspective-n-Point in computer vision; Pick-and-place machine for assembling electronic circuit boards; Print-and-play, board games with parts designed to be printed by players

  9. Sensor - Wikipedia

    en.wikipedia.org/wiki/Sensor

    Different types of light sensors. A sensor is a device that produces an output signal for the purpose of detecting a physical phenomenon.. In the broadest definition, a sensor is a device, module, machine, or subsystem that detects events or changes in its environment and sends the information to other electronics, frequently a computer processor.

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