The Arduino Nano V3.0 is a compact, breadboard-friendly microcontroller board based on the ATmega328P. Despite its small size, it offers the same core functionality as the Arduino Uno, making it ideal for space-constrained projects, embedded systems, and portable applications. With USB connectivity and strong library support, it is widely used in robotics, IoT, automation, and educational projects.
Core Board Specifications
• Microcontroller: ATmega328P
• Board Type: Compact microcontroller development board
• Form Factor: Breadboard compatible
• Development Platform: Arduino ecosystem
Electrical & Interface
• Operating Voltage: 5 V
• Input Voltage (VIN): 7–12 V (recommended)
• Digital I/O Pins: 14 (6 PWM supported)
• Analog Input Pins: 8
• Clock Speed: 16 MHz
• Communication Interfaces: UART, I²C, SPI
• USB Interface: Mini-USB (USB-to-Serial onboard)
Performance Characteristics
• Stable and reliable operation
• Fast program execution for real-time control
• Suitable for continuous embedded use
• Identical core performance to Arduino Uno
Physical Characteristics
• Board Size: Ultra-compact
• Mounting: Breadboard or soldered headers
• USB Connector: Mini-USB
• Lightweight and portable design
Compatibility
• Arduino IDE
• Wide range of Arduino libraries
• Sensors, motors, displays, and communication modules
• Windows, macOS, and Linux systems
Key Advantages
• Small size with full Arduino functionality
• Ideal for permanent embedded installations
• Low cost and widely available
• Easy prototyping on breadboards
Technical Insights
• Uses CH340 or FT232 USB-to-Serial chip (variant dependent)
• GPIO logic operates at 5 V
• Bootloader occupies a small portion of flash memory
• External power can be supplied via VIN or 5 V pin
Applications
• Embedded and IoT devices
• Robotics and automation
• Wearable and portable electronics
• Sensor interfacing projects
• Educational and DIY electronics
Pro Tip
• Select the correct processor type in Arduino IDE
• Use quality USB cable for stable uploads
• Avoid drawing high current from onboard regulator
• Label pin usage in compact designs
Package Includes
• 1 × Arduino Nano V3.0 Development Board