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Basically brand new just doesn't have a box.
Arduino UNO R3
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.
Microcontroller : ATmega328P
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
