Arduino Nano ATmega 328



Arduino Nano ATmega 328 is a surface mount breadboard embedded version with integrated USB. It is a smallest, complete, and breadboard friendly. It has everything that Dissimilar / Duemilanove has (electrically) with more analog input pins and onboard +5 V AREF jumper. Physically, it is missing power jack. The Nano is automatically sense and switch to the higher potential source of power, there is no need for the power select jumper. It lacks only a DC power jack, and works with a Mini-B USB cable instead of a standard one.


  • Architecture: AVR
  • Operating Voltage: 5 V
  • Flash Memory: 32 KB of which 2 KB used by boot loader
  • SRAM: 2 KB
  • Clock Speed: 16 MHz
  • Analog I/O 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
  • PWM Output: 6


  • Power Consumption: 19 mA
  • PCB Dimension: 18 × 45 mm
  • Additional information
  • Gross weight: 7 g
  • Manufacturer part number: Arduino Nano ATmega 328


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