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  2. Passive infrared sensor - Wikipedia

    en.wikipedia.org/wiki/Passive_infrared_sensor

    The sensor converts the resulting change in the incoming infrared radiation into a change in the output voltage, and this triggers the detection. Objects of similar temperature but different surface characteristics may also have a different infrared emission pattern, and thus moving them with respect to the background may trigger the detector ...

  3. Infrared detector - Wikipedia

    en.wikipedia.org/wiki/Infrared_detector

    An infrared detector is a detector that reacts to infrared (IR) radiation. The two main types of detectors are thermal and photonic (photodetectors). The thermal effects of the incident IR radiation can be followed through many temperature dependent phenomena. [2] Bolometers and microbolometers are based on changes in resistance.

  4. CircuitPython - Wikipedia

    en.wikipedia.org/wiki/CircuitPython

    The user community support includes a Discord chat room and product support forums. [13] A Twitter account dedicated to CircuitPython news was established in 2018. [14] A newsletter, Python on Microcontrollers, is published weekly since 15 November, 2016 by Adafruit to provide news and information on CircuitPython, MicroPython, and Python on single board computers. [15]

  5. List of Arduino boards and compatible systems - Wikipedia

    en.wikipedia.org/wiki/List_of_Arduino_boards_and...

    It uses the ATmega128RFA1 and a variety of sensors IMU for various applications. FlyDuino Mega [143] ATmega 2560 [31] Serial only, 6-pin header Paul Bake An Arduino Mega 2560 compatible board designed for auto-piloting and autonomous navigation of multirotor aircraft. Designed to be stacked with sensor bobs and boards with several breakout ...

  6. Adafruit Industries - Wikipedia

    en.wikipedia.org/wiki/Adafruit_Industries

    Adafruit Industries is an open-source hardware company based in New York, United States. It was founded by Limor Fried in 2005. [ 3 ] The company designs, manufactures and sells electronics products , electronics components, tools, and accessories.

  7. Infrared search and track - Wikipedia

    en.wikipedia.org/wiki/Infrared_search_and_track

    An IRST sensor on a Sukhoi Su-35. An Infrared Search and Track (IRST) system (sometimes known as infrared sighting and tracking) is a method for detecting and tracking objects which give off infrared radiation, such as the infrared signatures of jet aircraft and helicopters.

  8. Nondispersive infrared sensor - Wikipedia

    en.wikipedia.org/wiki/Nondispersive_infrared_sensor

    A nondispersive infrared sensor (or NDIR sensor) is a simple spectroscopic sensor often used as a gas detector.It is non-dispersive in the fact that no dispersive element (e.g a prism or diffraction grating as is often present in other spectrometers) is used to separate out (like a monochromator) the broadband light into a narrow spectrum suitable for gas sensing.

  9. Infrared cut-off filter - Wikipedia

    en.wikipedia.org/wiki/Infrared_cut-off_filter

    However, in some applications the term "IR filter" still can be used as a synonym of infrared cut-off filter. Unlike the eye, sensors based on silicon (including CCDs and CMOS sensors) have sensitivities extending into the near-infrared. Such sensors may extend to 1000 nm. Digital cameras are usually equipped with IR-blocking filters to prevent ...

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