Original Arduino UNO R3

Original Arduino UNO R3 is one of the world’s most popular and reliable microcontroller boards, designed for beginners, hobbyists, educators, and professional developers. Powered by the ATmega328P microcontroller, this board delivers exceptional performance, ease of use, and unmatched compatibility with thousands of existing Arduino libraries and shields. Whether you are creating IoT devices, robotics projects, automation systems, or interactive prototypes, the Arduino UNO R3 provides a stable and versatile platform to bring your ideas to life.

Built with high-quality components and manufactured under strict standards, the genuine Arduino UNO R3 stands out from clones in terms of durability, stability, and long-term performance. With its straightforward USB interface, beginner-friendly design, and an active global community, this board is the perfect choice for learning electronics and developing professional-grade projects.

Its plug-and-play architecture, support for all major Arduino IDE versions, and compatibility with advanced sensors and modules make it a must-have development board for anyone interested in embedded systems, automation, or digital electronics.

Key Specifications

• Microcontroller: ATmega328P

• Operating Voltage: 5V

• Input Voltage (recommended): 7–12V

• Input Voltage (limit): 6–20V

• 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 Interface: ATmega16U2

• Communication: UART, SPI, I2C

• LED Indicators: Power, TX/RX

• Dimensions: 68.6 mm × 53.4 mm

• Weight: 25 g (approx.)

Top Features of Original Arduino UNO R3

1. Genuine ATmega328P and ATmega16U2 Chips

The original board uses high-quality microcontroller and USB interface chips, ensuring consistent performance, smooth communication, and longevity.

2. Superior Build Quality

With premium PCB, solid soldering, and durable connectors, the original UNO R3 performs reliably under continuous operation and prototype testing.

3. Plug-and-Play USB Connectivity

Easily connect the board to your PC or laptop using a standard USB cable. The built-in bootloader allows quick code uploads without additional hardware.

4. Wide Compatibility with Shields & Modules

The UNO R3 supports:

• Motor shields

• WiFi/Bluetooth modules

• LCD displays

• Sensors (temperature, motion, gas, IR, etc.)

• Servo and stepper motors

This flexibility makes it ideal for any type of embedded system or IoT project.

5. Massive Community Support

As the world’s most widely used Arduino board, it comes with extensive tutorials, open-source libraries, example codes, and troubleshooting guides.

6. Easy to Learn & Use

Perfect for students, beginners, and hobbyists. The Arduino IDE is simple, intuitive, and supports Windows, macOS, and Linux.

7. Fully Open-Source Design

Both the hardware and software are open-source, allowing advanced users to modify and customize for specialized applications.

Applications of Arduino UNO R3

1. Robotics

Use it to build line-follower robots, obstacle-avoidance robots, robotic arms, and automation bots.

2. IoT (Internet of Things) Projects

Easily integrate WiFi or GSM modules to develop:

• Smart home devices

• Weather monitoring systems

• Smart agriculture systems

3. Educational & Learning Projects

Perfect for engineering students and electronics learners for exploring:

• Sensors & actuators

• Microcontroller programming

• Embedded systems fundamentals

4. Automation & Control Systems

Create custom automation solutions including:

• Industrial process control models

• Smart lighting systems

• Motor control applications

5. Prototyping & Research

Ideal for rapid prototyping in research labs, hobby projects, product development, and academic experiments.

Why Choose the Original Arduino UNO R3?

Choosing the genuine Arduino UNO R3 ensures top-level reliability, safety, compatibility, and long-term performance. It is the best investment for anyone who wants a professional, dependable, and beginner-friendly microcontroller board.