ARDUINO UNO R3 BOARD

Features:

• 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
• 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
• This is the new Arduino Uno R3. In addition to all the features of the previous board, the Uno now uses an ATmega16U2 instead of the 8U2 found on the Uno (or the FTDI found on previous generations)
• This allows for faster transfer rates and more memory
• No drivers needed for Linux or Mac (inf file for Windows is needed and included in the Arduino IDE), and the ability to have the Uno show up as a keyboard, mouse, joystick, etc