The Arduino UNO R3 is one of the most popular open-source microcontroller boards used for electronics projects, robotics, automation, IoT, prototyping, and STEM education. This board comes with an ATmega328P microcontroller and includes a USB programming cable, making it ready to use right out of the box.
Whether you’re a student, hobbyist, engineer, or researcher, the UNO R3 provides a powerful and flexible platform for building creative electronic systems with ease.
Key Features of the Arduino UNO R3
- Microcontroller: ATmega328P
- Operating Voltage: 5V
- Input Voltage (recommended): 7–12V
- Digital I/O Pins: 14 (6 PWM output)
- Analog Input Pins: 6
- Clock Speed: 16 MHz
- Flash Memory: 32 KB
- SRAM: 2 KB
- EEPROM: 1 KB
- USB Connectivity: Comes with a high-quality USB programming cable
- Resettable Polyfuse: Protects your computer’s USB port
- Compatible with: Arduino IDE (Windows, Mac, Linux)
Included in the Package
- 1 × Arduino UNO R3 Board
- 1 × USB Programming Cable
Applications
- Robotics and automation
- IoT (Internet of Things) development
- DIY electronics projects
- Sensor interfacing
- Industrial prototyping
- Educational STEM and robotics training
- Research and laboratory use
Why Choose UNO R3?
- Highly beginner-friendly: Perfect for learning coding and electronics
- Open-source hardware: Fully supported by a huge global community
- Reliable performance: Stable operation and accurate pin mapping
- Easy programming: Works with Arduino IDE via USB
- Affordable and versatile: Suitable for school, college, and maker projects
Buy Arduino UNO R3 in Bangladesh – Kommullo Bangladesh
Get the Arduino UNO R3 with USB Cable at the best price from kommullo.com (Kommullo Bangladesh).
We supply genuine microcontroller boards, sensors, modules, and robotics accessories with nationwide fast delivery and excellent customer support.
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