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

Microcontroller     ATmega328
Architecture     AVR
Operating Voltage     5 V
Flash Memory     32 KB of which 2 KB used by bootloader
SRAM     2 KB
Clock Speed     16 MHz
Analog IN Pins     8
EEPROM     1 KB
DC Current per I/O Pins     40 mA (I/O Pins)
Input Voltage     7-12 V
Digital I/O Pins     22 (6 of which are PWM)
PWM Output     6
Power Consumption     19 mA
PCB Size     18 x 45 mm

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