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  2. Arduino Uno - Wikipedia

    en.wikipedia.org/wiki/Arduino_UNO

    The Arduino Uno is an open-source microcontroller board based on the Microchip ATmega328P microcontroller (MCU) and developed by Arduino.cc and initially released in 2010. [2] [3] The microcontroller board is equipped with sets of digital and analog input/output (I/O) pins that may be interfaced to various expansion boards (shields) and other circuits. [1]

  3. Bipolar junction transistor - Wikipedia

    en.wikipedia.org/wiki/Bipolar_junction_transistor

    Simplified cross section of a planar NPN bipolar junction transistor. BJTs consists of three differently doped semiconductor regions: the emitter region, the base region and the collector region. These regions are, respectively, p type, n type and p type in a PNP transistor, and n type, p type and n type in an NPN transistor.

  4. 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]

  5. List of Arduino boards and compatible systems - Wikipedia

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

    Compatible with Arduino Uno for all the Arduino Shields. Additional features: Internal Li-ion Battery, 2600 mAh. Charging via adapter or USB. 5 V, output of up to 2 A, 3.3 V, 250 mA LDO voltage regulator; Variable Voltage supply of 1.25 V to 29 V, up to 2 A (Vin - 1 V) Reverse polarity and short circuit protection

  6. Sziklai pair - Wikipedia

    en.wikipedia.org/wiki/Sziklai_pair

    Alternately, if a germanium PNP device was used, it would have significantly different characteristics than the silicon NPN transistor. In the quasi-complementary topology, the performance of the lower pull pair, which uses a single NPN transistor, more closely matches the performance of the upper push pair, which consists of two NPN ...

  7. IC power-supply pin - Wikipedia

    en.wikipedia.org/wiki/IC_power-supply_pin

    In practice V CC and V EE then refer to the positive and negative supply lines respectively in common NPN circuits. [citation needed] Note that V CC would be negative, and V EE would be positive in equivalent PNP circuits. The V BB specifies reference bias supply voltage in ECL logic. [d]

  8. Hidden ticket fees and vacation rental charges banned in America

    www.aol.com/hidden-ticket-fees-vacation-rental...

    The Federal Trade Commission announced a final rule banning ticketing and short-term rental companies from including hidden junk fees in their total price on Tuesday.

  9. Arduino - Wikipedia

    en.wikipedia.org/wiki/Arduino

    Arduino (/ ɑː r ˈ d w iː n oʊ /) is an Italian open-source hardware and software company, project, and user community that designs and manufactures single-board microcontrollers and microcontroller kits for building digital devices.

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