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  • New Leonardo R3 ATmega32U4 Board w/USB Cable for Arduino Replace UNO(9131)
    • images/v/201306/13709304320.jpg
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New Leonardo R3 ATmega32U4 Board w/USB Cable for Arduino Replace UNO(9131)

  • item#: 9131
  • Retail price: US$12.55
  • Price: 12.55

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

  • US$12.55 + Shipping Cost
    Quantity: Unit(s)


    New Leonardo R3 ATmega32U4 Board w/USB Cable for Arduino Replace UNO



    100%  Brand New

    This is Leonardo R3 Board, which is a microcontroller board based on the  ATmega32u4. It contains everything needed to support the microcontroller--20  digital input/output pins, a 16 MHz crystal oscillator, a micro USB  connection, a power jack, an ICSP header, and a reset button.

    The Leonardo can be powered via the micro USB connection or with an external  power supply. simply connect it to a computer with a USB cable or power it  with a AC-to-DC adapter or battery to get started. To connect the Leonardo  to your computer, you'll need a Micro-B USB cable. This USB cable provides  power and data to the board. The Leonardo differs from all preceding boards  in that the ATmega32u4 has built-in USB communication, eliminating the need  for a secondary processor. This allows the Leonardo to appear to a connected  computer as a mouse and keyboard, in addition to a virtual (CDC) serial /  COM port. It also has other implications for the behavior of the board.



    Operating Voltage


    Input Voltage (recommended)


    Input Voltage (limits)


    Digital I/O Pins


    PWM Channels


    Analog Input Channels


    DC Current per I/O Pin

    40 mA

    DC Current for 3.3V Pin

    50 mA

    Flash Memory

    32 KB (ATmega32u4)  of which 4 KB used by bootloader


    2.5 KB (ATmega32u4)


    1 KB (ATmega32u4)

    Clock Speed

    16 MHz


    Package list :

    Leonardo R3 Board x1
    USB cable x1

    LEONARDO R3.jpg 

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