What is Arduino Nano Board ? Features, datasheet and Pinout

Arduino nano

The Arduino Nano is Arduino’s classic breadboard friendly designed board with the smallest dimensions. The Arduino Nano comes with pin headers that allow for an easy attachment onto a breadboard and features a Mini-B USB connector. This board based on the ATmega328P. Arduino Nano is just the board you need to create thousands of interesting and impressive products. Released in the year 2008, Arduino nano is packed with features that make it easy to use and highly efficient.

The classic Nano is the oldest member of the Arduino Nano family boards. It is similar to the Arduino Duemilanove but made for the use of a breadboard and has no dedicated power jack. Successors of the classic Nano are for example the Nano 33 IoT featuring a WiFi module or the Nano 33 BLE Sense featuring Bluetooth® Low Energy and several environment sensors.

The ATMega328 CPU runs with 16 MHz and features 32 KB of Flash Memory (of which 2 KB used by bootloader). With a length of 45 mm and a width of 18 mm the Nano is Arduino’s smallest board and weighs only 7 grams. The Nano is made for breadboard use and features soldered headers for all pins, allowing to attach the board easily on any breadboard.

Arduino Nano Specifications

Here you will find the technical specifications for the Arduino® Nano.

Board Name Arduino® Nano
SKU A000005
Microcontroller ATmega328
USB connector Mini-B USB
Pins Built-in LED Pin 13
Digital I/O Pins 14
Analog input pins 8
PWM pins 6
Communication UART RX/TX
I2C A4 (SDA), A5 (SCL)
SPI D11 (COPI), D12 (CIPO), D13 (SCK). Use any GPIO for Chip Select (CS).
Power I/O Voltage 5V
Input voltage (nominal) 7-12V
DC Current per I/O Pin 20 mA
Clock speed Processor ATmega328 16 MHz
Memory ATmega328P 2KB SRAM, 32KB flash 1KB EEPROM
Dimensions Weight 5gr
Width 18 mm
Length 45 mm

Arduino Nano pinout diagram and datasheet

Arduino Nano Pinout

You can even check out the official DATASHEET released by the Arduino foundation to further understand the specifications and the pins of the Arduino Nano.

Hi, I'm Harshvardhan Mishra. Tech enthusiast and IT professional with a B.Tech in IT, PG Diploma in IoT from CDAC, and 6 years of industry experience. Founder of HVM Smart Solutions, blending technology for real-world solutions. As a passionate technical author, I simplify complex concepts for diverse audiences. Let's connect and explore the tech world together! If you want to help support me on my journey, consider sharing my articles, or Buy me a Coffee! Thank you for reading my blog! Happy learning! Linkedin

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