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    Arduino Uno SMD Rev3

    Arduino Uno SMD Rev3 is a microcontroller board based on the ATmega328. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started. The Uno differs from preceding boards in that it does not use the FTDI USB-to-serial driver chip.

    MFR Part #: A000073
    $23.40
    Availability: 11 in stock

    Specifications for Arduino Uno SMD Rev3

     

    • Microcontroller: ATmega328
    • Operating Voltage: 5V
    • Input Voltage (recommended): 7-12V
    • Digital I/O Pins: 14
    • PWM Digital I/O Pins: 6
    • Analog Input Pins: 6
    • DC Current per I/O Pin: 40 mA
    • DC Current for 3.3V Pin: 50 mA
    • Flash Memory: 32 KB
    • Flash Memory for Bootloader: 0.5 KB
    • SRAM: 2 KB
    • EEPROM: 1 KB
    • Clock Speed: 16 MHz
    • Length: 68.6 mm
    • Width: 53.4 mm

     

    Features of Arduino Uno SMD Rev3

     

    • The Uno is the latest in a series of USB Arduino boards, and the reference model for the Arduino platform
    • It is a microcontroller board based on the ATmega328
    • Contains everything needed to support the microcontroller
    • 14 digital input/output pins (of which 6 can be used as PWM outputs)
    • 6 analog inputs
    • 16 MHz crystal oscillator
    • USB connection
    • A power jack
    • ICSP header
    • A reset button
    • Differs from all preceding boards in that it does not use the FTDI USB-to-serial driver chip
    • Additional features of the R3 version are:
      • ATmega16U2 instead 8U2 as USB-to-Serial converter
      • Added SDA and SCL pins for TWI communication placed near to the AREF pin
      • Two other new pins placed near to the Reset pin:
        • The IOREF that allow the shields to adapt to the voltage provided from the board
        • Second pin is a not connected, reserved for future purposes
      • Stronger Reset circuit
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    Specifications for Arduino Uno SMD Rev3

     

    • Microcontroller: ATmega328
    • Operating Voltage: 5V
    • Input Voltage (recommended): 7-12V
    • Digital I/O Pins: 14
    • PWM Digital I/O Pins: 6
    • Analog Input Pins: 6
    • DC Current per I/O Pin: 40 mA
    • DC Current for 3.3V Pin: 50 mA
    • Flash Memory: 32 KB
    • Flash Memory for Bootloader: 0.5 KB
    • SRAM: 2 KB
    • EEPROM: 1 KB
    • Clock Speed: 16 MHz
    • Length: 68.6 mm
    • Width: 53.4 mm

     

    Features of Arduino Uno SMD Rev3

     

    • The Uno is the latest in a series of USB Arduino boards, and the reference model for the Arduino platform
    • It is a microcontroller board based on the ATmega328
    • Contains everything needed to support the microcontroller
    • 14 digital input/output pins (of which 6 can be used as PWM outputs)
    • 6 analog inputs
    • 16 MHz crystal oscillator
    • USB connection
    • A power jack
    • ICSP header
    • A reset button
    • Differs from all preceding boards in that it does not use the FTDI USB-to-serial driver chip
    • Additional features of the R3 version are:
      • ATmega16U2 instead 8U2 as USB-to-Serial converter
      • Added SDA and SCL pins for TWI communication placed near to the AREF pin
      • Two other new pins placed near to the Reset pin:
        • The IOREF that allow the shields to adapt to the voltage provided from the board
        • Second pin is a not connected, reserved for future purposes
      • Stronger Reset circuit