The Arduino Nano is a small, complete, and breadboard-friendly board based on the ATmega328 (Arduino Nano 3.x). It has more or less the same functionality of the Arduino Duemilanove, but in a different package. It lacks only a DC power jack, and works with a Mini-B USB cable instead of a standard one.

• Microcontroller: ATmega328
• Operating voltage: 5 V
• Input Voltage: 7 to 12 V
• Digital I / O: 14 (of which 6 can be used as PWM outputs)
• Analog inputs: 8
• DC current for I / O pins: 40 mA
• Flash memory: 32 kB (of which 2KB used by bootloader)
• SRAM: 2KB
• EEPROM: 1 kB
• Clock: 16 MHz
• Dimensions (mm): 45x18x18