The Arduino Uno R3 is the most popular and beginner-friendly microcontroller board used in electronics, robotics, and DIY projects. It’s the perfect platform for learning coding, building smart gadgets, or automating anything from lights to robots.

🧰 Key Features:

• Microcontroller: ATmega328P

• Operating Voltage: 5V

• Input Voltage (recommended): 7–12V

• Digital I/O Pins: 14 (of which 6 provide PWM output)

• Analog Input Pins: 6

• DC Current per I/O Pin: 20 mA

• Flash Memory: 32 KB (0.5 KB used by bootloader)

• SRAM: 2 KB

• EEPROM: 1 KB

• Clock Speed: 16 MHz

• USB Connection: Type-B

• Board Dimensions: 68.6 mm x 53.4 mm

🔌 Connectivity & Compatibility:

• USB interface for easy programming and serial communication

• Can be powered via USB or an external power source

• Compatible with Arduino IDE (Windows, Mac, Linux)

• Works with hundreds of shields, sensors, and modules

💡 Why Choose Arduino Uno:

• Beginner-Friendly: Plug-and-play with tons of online tutorials

• Widely Supported: Huge global community and libraries

• Reliable & Stable: Used in education, prototyping, and production

• Open Source: Freely available design and code resources

🎯 Ideal For:

• Students and beginners in electronics

• Hobbyists building robots or automation systems

• Prototyping smart systems and IoT devices

• Learning embedded programming and circuit design