Arduino Uno R3 - The World's Most Popular Microcontroller for Beginners

Start your robotics, automation, and IoT journey with the authentic Arduino Uno R3 Development Board. Trusted by millions of makers, students, and engineers worldwide, the Arduino Uno R3 is the perfect platform for learning programming and building interactive projects.

Why Arduino Uno R3?

• Industry Standard: The most widely-used Arduino board with massive community support
• Beginner-Friendly: Easy-to-learn programming with Arduino IDE (free software)
• Expandable: Compatible with thousands of shields and sensors
• Well-Documented: Millions of tutorials, projects, and examples available online
• Educational: Used in schools and universities globally

Technical Specifications:

• Microcontroller: ATmega328P
• Operating Voltage: 5V
• Digital I/O Pins: 14 (6 PWM outputs)
• Analog Input Pins: 6
• Flash Memory: 32 KB
• SRAM: 2 KB
• EEPROM: 1 KB
• Clock Speed: 16 MHz
• USB Connection: Type B
• Power: USB or 7-12V DC adapter

What You Can Build:

• Robotics: Line-following robots, obstacle avoidance, robotic arms
• Home Automation: Smart lights, temperature control, automated systems
• Sensors: Weather stations, motion detectors, environmental monitoring
• Interactive Projects: Musical instruments, LED displays, games
• Automotive: Custom gauges, data logging, car diagnostics

Perfect For:

• Students learning programming and electronics
• Make: Electronics kit users (compatible with ProTechTrader kits)
• Hobbyists building DIY projects
• Prototyping commercial products
• STEM education programs

What's Included:

• 1x Arduino Uno R3 Board with ATmega328P chip
• USB cable for programming and power
• Getting started guide

Getting Started:

1. Download free Arduino IDE software
2. Connect board via USB
3. Load example sketch (built-in blink LED)
4. Start building your own projects!

Compatibility:

• Windows, Mac, Linux
• Arduino IDE, PlatformIO, VS Code
• Thousands of libraries and shields
• Works with all Arduino tutorials online

Why Buy from ProTechTrader:

• Fast shipping (1-day processing)
• Authentic Arduino boards (not clones)
• Technical support from our team
• Compatible with our Make: Electronics kits
• 30-day satisfaction guarantee

Frequently Asked Questions:

Q: Is this suitable for complete beginners?

A: Yes! The Arduino Uno R3 is designed specifically for beginners. No prior programming experience required.

Q: What programming language does it use?

A: Arduino uses a simplified version of C/C++, which is easy to learn with built-in examples.

Q: Do I need additional components?

A: The board comes ready to use. For projects, you'll need sensors, LEDs, motors, etc. Check our Arduino Starter Kit for everything in one package.

Q: Is this compatible with Make: Electronics kits?

A: Absolutely! Many Make: Electronics components work perfectly with Arduino projects.

Recommended Accessories:

• Arduino Starter Kit (includes sensors, LEDs, motors)
• Breadboard and jumper wires
• USB power adapter
• Sensor kits (temperature, motion, distance)
• Servo motors and stepper motors

Start Building Today: Join millions of makers worldwide who chose Arduino Uno R3 as their gateway to electronics and programming.

Price: $24.29 | In Stock | Ships within 1 business day