The Arduino UNO R3 SMD is a popular microcontroller development board based on the ATmega328P. It provides a simple platform for learning electronics, programming, automation, robotics, and DIY projects. The SMD version uses an SMD-packaged ATmega328P microcontroller.

Features

• Based on ATmega328P SMD microcontroller
• Arduino UNO R3 compatible
• USB interface for programming and serial communication
• 14 digital I/O pins
• 6 analog input pins
• 6 PWM-capable digital pins
• Built-in reset button
• On-board power and status LEDs
• Supports USB or external DC power
• Compatible with a wide range of Arduino shields

Specifications

Pin Configuration

Digital Pins

• D0–D13 – Digital Input/Output
• D3, D5, D6, D9, D10, D11 – PWM Output
• D0 (RX) – Serial Receive
• D1 (TX) – Serial Transmit

Analog Pins

• A0–A5 – Analog Input

Power Pins

• 5V – Regulated 5V output
• 3.3V – 3.3V output
• GND – Ground
• VIN – External input voltage
• RESET – Reset control

Applications

• Arduino programming and learning
• Robotics projects
• Home automation
• Sensor interfacing
• LED control
• Motor control
• IoT prototypes
• DIY electronics
• School and college projects

Advantages

• Easy to program and use
• Large Arduino-compatible ecosystem
• USB programming support
• Multiple digital and analog I/O pins
• Compatible with numerous sensors and modules
• Suitable for beginners and advanced users
• Supports a wide variety of Arduino libraries

Size

Approx. 68.6 × 53.4 mm

Package Includes

• 1 × Arduino UNO R3 SMD Development Board

Note

A USB cable is not included unless specifically mentioned. For reliable operation, use a suitable regulated power supply and avoid exceeding the recommended voltage limits on the board.