Arduino Nano V3.0 Breadboard-Ready ATmega328 Microcontroller

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  • Jameco Part no.: 2121148
  • Manufacturer: Arduino
  • Manufacturer no.: A000005
  • HTS code: 8542310000
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Arduino Nano 3.0

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

The Nano has the breadboard-ability of the Boarduino and the Mini+USB with smaller footprint than either, so users have more breadboard space. It has a pin layout that works well with the Mini or the Basic Stamp (TX, RX, ATN, GND on one top, power and ground on the other). This new version 3.0 comes with ATMEGA328 which offers more programming and data memory space. It is two layers, making it easier to hack and more affordable.


  • Automatic reset during program download
  • Power OK green LED
  • Green (TX), red (RX) and orange (L) LED
  • Auto sensing/switching power input
  • Small mini-B USB port for programming and serial monitor
  • USB mini-B cable is not included, we recommend P/N: 673694
  • ICSP header for direct program download
  • Standard 0.1" spacing DIP (breadboard friendly)
  • Manual reset switch


  • Microcontroller : Atmel ATmega328
  • Operating Voltage (logic level): 5V
  • Input Voltage (recommended): 7-12 V
  • Input Voltage (limits): 6-20 V
  • Digital I/O Pins: 14 (of which 6 provide PWM output)
  • Analog Input Pins: 8 (10-bit resolution)
  • DC Current per I/O Pin: 40 mA
  • Flash Memory: 32 KB of which 2 KB used by bootloader
  • SRAM: 2 KB
  • EEPROM: 1 KB
  • Clock Speed: 16 MHz
  • Dimensions: 0.73" x 1.70" (45 mm L x 18 mm W)
  • Power Consumption: 19 mA
  • Weigth: 5 g

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