Arduino Nano: high-resolution pinout, datasheet and specs


The Arduino Nano is a small, yet powerful development board that is based on the ATmega328P microcontroller. It is the perfect choice for projects that require a compact form factor without compromising on performance. The Nano offers a wide range of features and capabilities, making it suitable for both beginners and advanced users.

Pinout Arduino Nano
Pinout Arduino Nano

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The Arduino Nano is a compact and versatile microcontroller board based on the ATmega328P. It offers various functionalities through its pins and technical features.

Pinout Configuration

  • Power: Vin (6-12V input), 3.3V (50mA max), 5V, and GND.
  • Reset: Resets the microcontroller.
  • Analog Pins (A0 – A7): For measuring 0-5V analog voltage.
  • Digital Pins (D0 – D13): Serve as input or output; operate at 0V or 5V.
  • Serial (Rx, Tx): For TTL serial data transmission and reception.
  • External Interrupts (2, 3): Trigger interrupts.
  • PWM (3, 5, 6, 9, 11): Provide 8-bit PWM output.
  • SPI (10, 11, 12, 13): For SPI communication.
  • Inbuilt LED (13): Controls an inbuilt LED.
  • IIC (A4, A5): For TWI communication.
  • AREF: Reference voltage for input voltage.

Technical Specifications

  • Microcontroller: ATmega328P (8-bit AVR family).
  • Operating Voltage: 5V.
  • Recommended Input Voltage for Vin pin: 7-12V.
  • Analog Input Pins: 6 (A0 – A5).
  • Digital I/O Pins: 14 (6 provide PWM output).
  • DC Current on I/O Pins: 40 mA.
  • DC Current on 3.3V Pin: 50 mA.
  • Flash Memory: 32 KB (2 KB for Bootloader).
  • SRAM: 2 KB.
  • EEPROM: 1 KB.
  • Frequency (Clock Speed): 16 MHz.
  • Communication: IIC, SPI, USART​​.

How To

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Datasheet

Arduino Nano Datasheet

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Arduino Nano schematics

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Arduino Nano board size

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