The Arduino Uno R3 is a widely used microcontroller development board based on the ATmega328P. Designed and manufactured in Italy, it represents the original and official version of the Arduino platform, known for its quality and reliability.
It features 14 digital I/O pins (6 of which can be used as PWM outputs), 6 analog inputs, a 16 MHz quartz crystal, USB Type-B connection, power jack, ICSP header, and a reset button.
The Uno R3 is fully compatible with the Arduino IDE and supports easy programming via USB, making it an excellent choice for prototyping, robotics, IoT, and educational projects.
- Made in Italy 🇮🇹
- Microcontroller: ATmega328P
- Operating Voltage: 5V
- Input Voltage (recommended): 7–12V
- Digital I/O Pins: 14 (6 PWM)
- Analog Input Pins: 6
- Clock Speed: 16 MHz
- Flash Memory: 32 KB
- SRAM: 2 KB
- EEPROM: 1 KB
- USB Interface: Type B
- Communication: UART, I2C, SPI
- Dimensions: 68.6mm x 53.4mm
The Arduino Uno R3 is ideal for DIY electronics, home automation, robotics, and learning embedded programming—trusted worldwide by hobbyists, students, and engineers alike.
