UNO R3 Development Board ATmega328P + 16U2 Dual-Chip | Arduino IDE & C/C++ Compatible | Stable I/O Ports | STEM Education | USB Cable Included

The UNO R3 Improved Development Board integrates the ATmega328P microcontroller and 16U2 USB communication chip, delivering a dual-core architecture for reliable performance and full Arduino IDE compatibility. It features 14 digital I/O pins (including 6 PWM outputs), 6 analog inputs, and dual 5 V / 3.3 V regulated power outputs for safely connecting motors, servos, sensors, and displays. The enhanced circuit layout minimizes signal interference and power noise, ensuring fast, stable serial communication and code uploading. Its genuine 16U2 chip replaces the CH340 variant to provide higher data rates and plug-and-play compatibility across Windows, macOS, and Linux.
The board’s blue PCB is manufactured from oxidation-resistant materials and is heat-stable for long-term educational use. Each UNO R3 comes with a high-quality USB cable for quick connection and immediate program deployment. It is ideal for STEM learning, robotics, IoT prototyping, automation design, and electronic experiments. The board supports the Arduino Uno Shield standard, allowing easy stacking with Wi-Fi modules, Bluetooth boards, ultrasonic sensors, OLED screens, and motor drivers. Learners can quickly grasp concepts such as digital and analog I/O, PWM speed control, I2C communication, and serial data handling.
Teachers and students can explore hands-on projects that bridge hardware control with software logic. The UNO R3 encourages problem-solving, creative thinking, and engineering skills through real-world coding and testing. Its affordable price and robust design make it the perfect choice for schools, labs, and DIY enthusiasts. Whether you are building a robot, monitoring temperature, or creating interactive art projects, the UNO R3 offers the reliability, compatibility, and educational value needed to turn ideas into working innovations.