Arduino Uno R4

Original price was: ₵220.00.Current price is: ₵200.00.

Arduino Uno (ATmega328P) is a beginner-friendly microcontroller board ideal for STEM learning, robotics, and electronics projects. It operates at 5V, features 14 digital I/O pins, 6 analog inputs, and supports easy programming using the Arduino IDE.

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The Arduino Uno (ATmega328P) is one of the most popular and beginner-friendly microcontroller boards in the world. It is ideal for learning electronics, programming, robotics, and building interactive projects. With a stable 5V operating voltage and a wide range of input/output pins, the Arduino Uno is perfect for students, educators, and makers.

Powered by the ATmega328P microcontroller, this board offers reliable performance, excellent community support, and compatibility with thousands of Arduino libraries and shields.


Key Features

  • Microcontroller: ATmega328P

  • Operating Voltage: 5V

  • Input Voltage (Recommended): 7–12V

  • Input Voltage (Limit): 6–20V

  • Digital I/O Pins: 14 (6 support PWM)

  • PWM 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 bootloader)

  • SRAM: 2 KB

  • EEPROM: 1 KB

  • Clock Speed: 16 MHz

  • Built-in LED Pin: 13

  • USB Interface: USB Type-B

  • Dimensions: 68.6 mm × 58.4 mm

  • Weight: 25 g


What You Can Build

  • Robotics and automation projects

  • Smart dustbins and IoT prototypes

  • Line-following and obstacle-avoiding robots

  • Sensor-based systems (temperature, distance, moisture, light)

  • STEM education and classroom experiments


Why Choose Arduino Uno?

  • Beginner-friendly and easy to program

  • Supports Arduino IDE (Windows, macOS, Linux)

  • Large global community and learning resources

  • Compatible with most Arduino shields and modules

  • Ideal for STEM education in schools and universities


Package Includes

  • 1 × Arduino Uno (ATmega328P) Board