What is Arduino Nano? – Specs, Pinout | New Topic [2024]

In this blog, we are going to learn about a topic called β€œWhat is Arduino Nano?β€œ, also about its specifications, pinout, applications, and many more information about Arduino Nano. Welcome to Poly Notes Hub, a leading destination for engineering notes.

Author Name: Arun Paul.

What is Arduino Nano?

Arduino Nano is a small and multipurpose microcontroller board based on the ATmega328P microcontroller processor. It’s essentially a smaller version of the popular Arduino Uno board, with identical features but a smaller form size. The Nano is intended for easy integration into a variety of projects with limited space, making it ideal for prototyping, DIY electronics, and educational applications.

What is Arduino Nano - poly notes hub
Key Features of Arduino Nano –
  1. Small-scale layout
  2. Use the digital and analog input/output pins of the ATmega328P microcontroller
  3. PWM functionalities
  4. Many interfaces for serial connection
  5. USB interface for power and programming
  6. Suitable for use with the Arduino IDE
  7. Adaptable to a range of uses

Specifications of Arduino Nano

Below we listed some Arduino Nano Specifications –
  1. Microcontroller: ATmega328P
  2. Operating Voltage: 5V
  3. Input Voltage (recommended): 7-12V
  4. Digital I/O Pins: 14 (of which 6 provide PWM output)
  5. Analog Input Pins: 8
  6. DC Current per I/O Pin: 40 mA
  7. Flash Memory: 32 KB (ATmega328P) of which 2 KB used by bootloader
  8. SRAM: 2 KB (ATmega328P)
  9. EEPROM: 1 KB (ATmega328P)
  10. Clock Speed: 16 MHz
  11. USB Interface: Micro-USB
  12. Dimensions: 18.5mm x 45mm

Arduino Nano Pinout

what is arduino nano pin diagram - poly notes hub
Below we listed Arduino Nano Pin Configuration –
  1. Digital Pins (D0-D13): Used for digital input and output. They can be used as input or output devices and can read or write digital signals (0 or 1).
  2. Analog Pins (A0-A7): Used for analog input. They can obtain analog voltage levels from sensors and other analog devices.
  3. Power Pins: There are four types of power pins in Arduino Nano which are listed below
    • 5V: Provides a regulated 5V power output for external components.
    • 3.3V: Provides a regulated 3.3V power output for low-power components.
    • Vin: Input voltage (7-12V) when using an external power source.
    • GND: Ground pins for connecting the ground of external components.
  4. PWM Pins (D3, D5, D6, D9, D10, D11): These are the PWM pins. They can generate analog-like signals with variable duty cycles, which can be used to adjust LED brightness, motor speed, and other parameters.
  5. External Interrupt Pins (D2, D3): Pins capable of creating interruptions in response to external events. They can be programmed to do certain activities in response to external signals.
  6. SPI Pins (D10-D13): Serial Peripheral Interface (SPI) pins are utilized for communication. A synchronous serial communication protocol called SPI is frequently used to facilitate communication between peripheral devices and microcontrollers.
  7. I2C Pins (A4 (SDA), A5 (SCL)): The Inter-Integrated Circuit (I2C) communication pins. With just two wires needed for communication, numerous devices can connect to one another thanks to the I2C serial communication standard.
  8. Serial Pins (RX, TX): Pins are used for serial transmission. These pins are used to communicate with a computer or other serial devices via the Universal Asynchronous Receiver/Transmitter (UART) protocol.
  9. Reset Pin (RESET): Resets the microcontroller. When pulled low, the application is restarted from the beginning.

Arduino Nano Uses

The Arduino Nano’s compact form and various capabilities make it suitable for use in a variety of sectors –

  1. It is widely used in electronics prototyping to enable rapid development and testing of ideas.
  2. DIY enthusiasts use it to develop their own devices, automation systems, and interactive projects.
  3. Because of its simplicity, it is a fantastic educational tool for teaching electronics, programming, and robotics.
  4. It also plays an important part in IoT development, robotics, automation, data recording, wearable technologies, art installations, and embedded systems.
  5. Its wide range of applications demonstrate its versatility and utility in a variety of projects and sectors.
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