• Microcontroller: ATmega328P
• Operating Voltage: 5V
• Input Voltage: 7–12V (recommended)
• Digital I/O Pins: 14 (6 with PWM output)
• Analog Input Pins: 6
• Flash Memory: 32KB (with 0.5KB used by bootloader)
• SRAM: 2KB
• EEPROM: 1KB
• Clock Speed: 16 MHz
• USB Type: Standard Type B
• Dimensions: 68.6mm x 53.4mm
• Weight: Approximately 25g
The Arduino Uno Rev3 is one of the most widely used microcontroller boards for electronics development, prototyping, and learning programming. Built around the reliable ATmega328P microcontroller, the Arduino Uno Rev3 provides a flexible platform suitable for both beginners and experienced developers. It is commonly used in educational environments, hobby electronics projects, robotics systems, and professional prototyping applications.
With 14 digital input/output pins and 6 analog input pins, the board offers multiple connectivity options for sensors, motors, displays, and other electronic components. Six of the digital pins also support PWM output, enabling advanced control of devices such as LEDs and motors. The Arduino Uno Rev3 easily connects to a computer using a USB cable, allowing users to upload programs, supply power, and communicate with the board through the Arduino IDE.
The board also supports a wide range of compatible Arduino shields and modules, making it highly expandable for different types of projects. With its open-source ecosystem, extensive community support, and reliable performance, the Arduino Uno Rev3 remains a popular choice for building innovative electronics projects and learning embedded programming.





