Specifications:

• Operating Voltage: 5V
• Input Voltage (Recommended): 7–12V
• Input Voltage (Limit): 6–20V
• Digital I/O Pins: 14 (6 can be used as PWM outputs)
• PWM Digital I/O Pins: 6
• Analog Input Pins: 6
• DC Current per I/O Pin: 20 mA
• DC Current for 3.3V Pin: 50 mA
• Flash Memory: 32 KB (0.5 KB used by the bootloader)
• SRAM: 2 KB
• EEPROM: 1 KB
• Clock Speed: 16 MHz
• Built-in LED Pin: 13
• Dimensions:
  • Length: 68.6 mm
  • Width: 53.4 mm

Features:

• Microcontroller: ATmega328P for reliable and efficient performance.
• USB Connectivity: Connects to your computer for programming and power supply.
• Power Options: Can be powered via USB or external power sources (battery or AC-to-DC adapter).
• ICSP Header: Allows in-circuit serial programming.
• Reset Button: Easy reset for restarting the microcontroller.
• User-Friendly: Ideal for beginners; damage to the microcontroller can be fixed by replacing the ATmega328P chip.
• Open Source: Fully open hardware and software for customization and learning.

Why Choose Arduino Uno?

The Uno board is designed to help users get started with microcontroller projects without much hassle. Its durable and replaceable design makes it perfect for educational purposes and prototyping. The Uno is also the reference model for the Arduino platform, making it widely supported and documented.

Applications:

• Robotics
• IoT and smart devices
• Prototyping
• Education and STEM projects
• Home automation
• Interactive art installations

The Arduino Uno R3 is the foundation of countless creative and technical innovations. Whether you're an experienced engineer or a curious beginner, the Uno opens the door to endless possibilities in the world of embedded systems and electronics.