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  • UNO R3 Rev3 Development Board ATmega328P ATMEGA16U2 AVR w/USB for Arduino(999)
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UNO R3 Rev3 Development Board ATmega328P ATMEGA16U2 AVR w/USB for Arduino(999)

  • item#: 999
  • Retail price: US$14.99
  • Price: 14.99

  • Start from: 1 Unit(s)
  • Weight: 0.2 Kg(s)

Estimate Shipping Costs

  • US$14.99 + Shipping Cost
    Quantity: Unit(s)




  • 100% brand new

  • Difference between UNO R3 2012 and  UNO 2011
    --1. Pin of changes: next to the AREF pin both I2C-pin (SDA and SCL, just Analog 4  and 5 of the copy, not the additional I2C interface), plus the two next to the  RESET pin, one IOREFallow expansion board voltage onboard, this pin expansion  board just told the onboard voltage (such as UNO 5V, can be seen as the power  pins copy, does not provide the level pull), the other is laterScratch  placeholder pin.
    --2. More stable RESET circuit. The RESET key position has changed, which has been  moved to the corner near the USB interface board, more convenient and press.
    --3. The ATmega16U2 instead 8U2, and that does not mean that the 16K flash of UNO R3  make your code run faster, this update is a service of the USB interface chip,  theoretically It UNO can simulate USB the HID, such as MIDI / Joystick /  Keyboard.

  • Summary:



    Operating Voltage


    Input Voltage (recommended)


    Digital I/O Pins

    14   (of which 6 provide PWM output)

    Analog Input Pins


    DC   Current per I/O Pin

    40   mA

    DC   Current for 3.3V Pin

    50   mA

    Flash Memory

    32   KB (ATmega328) of which 0.5 KB used by   bootloader


    2   KB (ATmega328)


    1   KB (ATmega328)

    Clock Speed

    16 MHz

  • Package List:
    1x UNO R3 Rev3 Development Board
    1x USB Cable

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