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Arduino™ - UNO SMD Rev3 Development Board, ATmega328P
  • Arduino™ - UNO SMD Rev3 Development Board, ATmega328P
  • Arduino™ - UNO SMD Rev3 Development Board, ATmega328P-TOP VIEW

Arduino™ - UNO SMD Rev3 Development Board, ATmega328P


SKU: A000073


Availability: Many in stock


Arduino™ - UNO SMD Rev3 Development Board




Product Description


The UNO is Arduino’s flagship board. For beginner and advanced users alike.


The Arduino UNO is the most used board in the family of Arduino boards. If you are starting out with Arduino, this is the board to get.


The Arduino Uno 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 ceramic resonator, 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 has a resistor pulling the 8U2 HWB line to ground, making it easier to put into DFU mode.


Revision 3 of the board 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.


"Uno" means one in Italian and is named to mark the upcoming release of Arduino 1.0. The Uno and version 1.0 will be the reference versions of Arduino, moving forward. The Uno is the latest in a series of USB Arduino boards, and the reference model for the Arduino platform.


Arduino-Certified and designed to be hardware-, software-, and pin-compatible with a wide range of Arduino Uno R3 shields, the Intel Galileo Gen 2 board also provides a simpler and more cost-eff ective development environment compared to the Intel® Atom™ processor- and Intel® Core™ processor-based designs.



Information and Features 


- 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: 40 mA
- DC Current for 3.3V Pin: 50 mA
- Flash Memory: 32 KB (ATmega328) of which 0.5 KB used by bootloader
- SRAM: 2 KB (ATmega328)
- EEPROM: 1 KB (ATmega328)
- Clock Speed: 16 MHz





The Arduino Uno can be programmed with the Arduino software. Select "Arduino Uno from the Tools > Board menu (according to the microcontroller on your board).


The ATmega328 on the Arduino Uno comes preburned with a bootloader that allows you to upload new code to it without the use of an external hardware programmer. It communicates using the original STK500 protocol.


You can also bypass the bootloader and program the microcontroller through the ICSP (In-Circuit Serial Programming) header using Arduino ISP or similar.


The ATmega16U2 (or 8U2 in the rev1 and rev2 boards) firmware source code is available. The ATmega16U2/8U2 is loaded with a DFU bootloader, which can be activated by:


- On Rev1 boards: connecting the solder jumper on the back of the board (near the map of Italy) and then resetting the 8U2.
- On Rev2 or later boards: there is a resistor that pulling the 8U2/16U2 HWB line to ground, making it easier to put into DFU mode.


You can then use Atmel's FLIP software (Windows) or the DFU programmer (Mac OS X and Linux) to load a new firmware.
Or you can use the ISP header with an external programmer (overwriting the DFU bootloader).



Contents of Shipment


- 1 x Arduino UNO SMD Rev3 Development Board



Specifications and Data


PRODUCT BRIEF - http://www.farnell.com/datasheets/1682193.pdf


Arduino Boards Comparison Chart - https://www.arduino.cc/en/Products/Compare



Manufacturer Connection


MANUFACTURER'S PRODUCT PAGE - http://www.arduino.org/products/boards/arduino-uno




Product Video: I Like To Make Stuff - What's an Arduino // Maker101






Manufacturer's Downloads


FIRMWARE and SOFTWARE Downloads - http://www.arduino.org/downloads


SPECIFICATIONS and SCHEMATICS Downloads - http://www.arduino.org/products/boards/arduino-uno





Civilstock - Shipping Rates



Civilstock - Shipping Rates



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