Arduino Uno based on Atmel AVR ATmega328 MCU

Version 28
    Part Number: A000066
    Manufacturer: ARDUINO.ORG
    Product Title: ARDUINO.ORG - A000066 - DEV BOARD, ATMEGA328, ARDUINO UNO R3 DIP ED

    Price: £18.05 from Farnell. 1618 in stock
    Price: $23.25 from Newark. 1346 in stock


    Short Description: The Arduino Uno R3 is a microcontroller board based on the ATmega328. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a res ...
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    A000066 Arduino Uno based on Atmel AVR ATmega328 MCU

    A000066

    978-0-9896-140-23 MATLAB and Simulink Student Suite R2016b (Instant eDelivery)

    978-0-9896-140-23

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    • Microcontroller: ATmega328
    • Operating Voltage: 5V
    • Input Voltage (recommended): 7-12V
    • Input Voltage (limits): 6-20V
    • Digital I/O Pins:14(of which 6 provide PWM output)
    • Analog Input Pins: 6
    • DC Current per I/O Pin: 40mA
    • DC Current for 3.3V Pin: 50mA
    • Flash Memory: 32KB (ATmega328) of which 0.5 KB used by bootloader
    • SRAM: 2KB(ATmega328)
    • EEPROM: 1KB(ATmega328)
    • Clock Speed: 16MHz
    • Revision 3 of the board (A000066) has the following new features:
      • ATmega16U2 instead 8U2 as USB-to-Serial converter
      • 1.0 pinout: added SDA and SCL pins for TWI communication placed near to the AREF pin and 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 and the second one is a not connected pin, that is reserved for future purposes
      • Stronger RESET circuit

    The Arduino Uno R3 is a microcontroller board based on the ATmega328. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. 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 all preceding boards in that it does not use the FTDI USB-to-serial driver chip. Instead, it features the Atmega16U2 (Atmega8U2 up to version R2) programmed as a USB-to-serial converter.

    Revision 2 of the Uno board (A000046) has a resistor pulling the 8U2 HWB line to ground, making it easier to put into DFU mode.

    Revision 3 of the board (A000066) has the following new features:

    • 1.0 pinout: added SDA and SCL pins that are near to the AREF pin and 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. In future, shields will be compatible with both the board that uses the AVR, which operates with 5V and with the Arduino Due that operates with 3.3V. The second one is a not connected pin, that is reserved for future purposes.
    • Stronger RESET circuit.
    • Atmega 16U2 replace the 8U2.

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    Key Applications: Building Automation, Industrial Automation

     

    • Arduino Uno board
    • The ATmega328 on the Arduino Uno comes preburned with a bootloader