ESP32 38-Pin WiFi + Bluetooth NodeMCU Development Board
Arduino Nano Original A000005
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The Arduino Nano Original Board is a compact, versatile, and 100% genuine development board built around the ATmega328P microcontroller. Unlike unreliable clone boards, this official Arduino product guarantees stable driver recognition, consistent performance, and long-term durability for your electronics projects.
With 14 digital I/O pins, 8 analog input pins, and a 16 MHz clock speed, it is well suited for electronics prototyping, sensor projects, automation systems, robotics, and embedded applications.
Operating at 5V, the Arduino Nano can be easily integrated with a wide range of electronic components and modules. Its compact size makes it convenient for permanent installations as well as quick breadboard prototyping. The board includes 32KB of flash memory, 2KB of SRAM, and 1KB of EEPROM, providing sufficient resources for many beginner and intermediate Arduino projects.
Programming and communication are handled through the mini USB interface, while the board can also be powered through its VIN pin. If you need an original Arduino development board that combines reliable performance, compact dimensions, and easy prototyping, the Arduino Nano Original is a practical choice for a wide range of DIY electronics and embedded projects.
What’s so special about Arduino Nano? Find out!

| Pin | Description |
|---|---|
| Digital Pins (0–13) | 14 digital I/O pins for connecting external components. |
| Analog Pins (A0–A5) | 6 analog input pins to measure voltage from 0 to 5V. |
| LED (Pin 13) | Built-in LED connected to digital pin 13. |
| VIN | External input voltage pin (6–12V recommended). |
| 3.3V | Low voltage output from the on-board regulator. |
| 5V | Regulated 5V output to power components. |
| AREF | Analog reference voltage input for analog readings. |
| GND | 2 ground pins for grounding the circuit. |
| Reset | 2 reset pins to reset the controller via software. |
| External Interrupts | Pin 2 and 3 can trigger external interrupts in emergencies. |
| USART | Rx and Tx pins for serial data communication. |
| I2C | SDA and SCL pins for I2C communication using the Wire library. |
| SPI | SS, MISO, MOSI, SCK pins used for SPI communication with peripherals. |
| Feature | Arduino Nano ![]() |
Arduino UNO R3![]() |
|---|---|---|
| Price (Robocraze) | ?1,798 | ?1,860 VIEW |
| Microcontroller | ATmega328P | ATmega328P |
| Operating Voltage | 5V | 5V |
| Input Voltage | 7-12V | 7-12V |
| Digital I/O Pins | 14 (6 PWM) | 14 (6 PWM) |
| Analog Input Pins | 8 | 6 |
| Clock Speed | 16 MHz | 16 MHz |
| Flash Memory | 32 KB (0.5 KB used by bootloader) | 32 KB (0.5 KB used by bootloader) |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| USB Interface | Mini USB | Standard USB Type-B |
| Size | Compact (approx. 45mm x 18mm) | Larger (approx. 68.6mm x 53.4mm) |
| Best for | Compact projects, breadboard-friendly applications | Beginners, shields, projects needing standard size |
| Wireless Capability | Needs external module (e.g., ESP8266, HC-05) | Needs external module (e.g., ESP8266, HC-05) |
| Expandable with Shields | Limited due to size constraints | Yes, compatible with multiple shields |
|
Model Type |
Nano |
|
Colour |
Teal |
|
Microcontroller |
ATmega328 |
|
Operating Voltage |
5 V |
|
Input Voltage (Recommended) |
7-12V |
|
Power Consumption |
19mA |
|
Analog I/O Pins |
8 |
|
Digital I/O Pins |
22 (6 of which are PWM) |
|
PWM Output Pins |
6 |
|
Architecture |
AVR |
|
Clock Speed |
16MHz |
|
Flash Memory |
32 KB of which 2 KB used by the bootloader |
|
EEPROM |
1KB |
|
SRAM |
2KB |
|
Shipment Weight |
0.019 kg |
|
Shipment Dimensions |
9 × 6 × 3 cm |
Model Type
Nano
Colour
Teal
Microcontroller
ATmega328
Operating Voltage
5 V
Input Voltage (Recommended)
7-12V
Power Consumption
19mA
Analog I/O Pins
8
Digital I/O Pins
22 (6 of which are PWM)
PWM Output Pins
6
Architecture
AVR
Clock Speed
16MHz
Flash Memory
32 KB of which 2 KB used by the bootloader
EEPROM
1KB
SRAM
2KB
Shipment Weight
0.019 kg
Shipment Dimensions
9 × 6 × 3 cm
The Arduino Nano Original is a compact Arduino development board based on the ATmega328P microcontroller. It provides 14 digital I/O pins, 8 analog inputs, and a 16 MHz clock speed in a small, breadboard-friendly form factor, making it suitable for electronics prototyping, robotics, automation, sensor projects, and embedded applications.
The Arduino Nano Original provides 14 digital I/O pins and 8 analog input pins. Six of the digital pins can be used for PWM output, while the analog inputs provide 10-bit resolution for reading analog signals from sensors, potentiometers, and other electronic components.
The Arduino Nano can be powered through its mini USB connection or through the VIN pin using an appropriate external power source. It operates at 5V and is commonly used with a recommended input voltage in the 7V–12V range when supplying power through VIN.
Yes. The compact design and dual-row pin arrangement make the Arduino Nano Original particularly convenient for breadboard prototyping. It is a popular choice for projects where the functionality of an Arduino Uno is required but PCB space is limited.
The Arduino Nano can be used for a wide range of projects, including sensor monitoring systems, home automation, robotics, LED controllers, data loggers, motor-control projects, and other DIY electronics applications. Its compact size makes it especially useful for space-constrained projects.
This product comes with a 1-year manufacturer warranty from the date of purchase, covering manufacturing defects only.
The product shows signs of physical damage, mishandling, exposure to water/moisture, fire, natural calamities, unauthorized repairs, improper storage near heat or direct sunlight, or alteration in any way.