Arduino UNO Rev3 Development Board

Arduino Uno Rev3 is a development board based on the ATmega328P 8-bit microcontroller. It features 32 KB of flash memory, 2 KB of SRAM and 1 KB of EEPROM, and runs at 16 MHz with a 5 V operating voltage. The board can be powered via USB, an AC-to-DC adapter or a battery and measures 53.4 x 68.6 mm, weighing 25 g. Arduino Uno Rev3 is widely used and well documented, providing an accessible platform for learning how sensors and actuators work and for rapid prototyping.

Advantages

Arduino Uno Rev3 offers broad community support and extensive documentation, making troubleshooting and project learning easier. The compact size and standard pin layout allow compatibility with many shields and modules. Built-in USB connectivity simplifies programming and power supply, while the proven ATmega328P microcontroller provides reliable performance for a wide range of educational and prototyping tasks.

Suitable for

• Learning electronics and embedded programming
• Prototyping sensors and actuator projects
• Educational kits and classroom projects
• Small automation and hobbyist applications

Key specifications

• Microcontroller: ATmega328P (8-bit)
• Clock speed: 16 MHz
• Flash memory: 32 KB
• SRAM: 2 KB
• EEPROM: 1 KB
• Operating voltage: 5 V
• Recommended DC input: 7–12 V
• Dimensions: 53.4 x 68.6 mm
• Weight: 25 g
• Brand: Arduino, MPN: A000066, EAN: 8058333490090

How to use

Connect the Arduino Uno Rev3 to a computer using a USB cable to program it with the Arduino IDE. Alternatively, supply power with a compatible AC-to-DC adapter or a battery within the recommended 7–12 V range. Attach sensors, actuators or shields to the digital and analog pins according to your project schematic and upload sketches from the IDE to run your program.

Recommendations

Use official or well-documented third-party shields and follow the recommended input voltage range (7–12 V) to avoid damage. For beginners, start with simple examples from the Arduino IDE and consult community resources for troubleshooting and project ideas.