Arduino Nano Original A000005
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The Arduino Nano is a compact, open-source development board based on ATmega328P, an 8-bit AVR microcontroller.
It has 14 digital I/O pins, 8 analog input pins with 10-bit resolution, 2 reset pins, and 6 power pins, making it perfect for space-constrained projects that require fewer GPIOs and memory.
The Arduino Nano board operates at 5V, supports an input voltage of 6V–20V (recommended: 7V–12V), and runs at a 16 MHz clock frequency. Unlike most Arduino boards, it uses a mini USB port and lacks a DC power jack, so it cannot be powered through an external jack.
Fully breadboard-friendly, the Nano is perfect for quick prototyping. It offers flash memory of 32KB (with 2KB used by the bootloader), EEPROM of 512B/1KB, and SRAM of 1KB/2KB, depending on the microcontroller.
The Arduino Nano microcontroller delivers Arduino Uno-like performance in a smaller, more project-ready form.
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
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.
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