Arduino Uno R3

Arduino Uno R3 Development Board (ATmega328P Compatible)

The Arduino Uno R3 is a reliable, beginner-friendly microcontroller board based on the ATmega328P. It is fully compatible with the Arduino ecosystem and widely used for prototyping, education, robotics, and embedded electronics projects.

This board provides a stable 5 V operating environment, USB connectivity for programming and power, and a standard pin layout compatible with most Arduino shields. Ideal for students, hobbyists, and professionals alike.

Key Features

• ATmega328P microcontroller

• USB interface for programming and power

• 14 digital I/O pins (6 with PWM support)

• 6 analog input pins

• 16 MHz crystal oscillator

• On-board voltage regulator

• Reset button and ICSP header

• Compatible with Arduino IDE

Technical Specifications

• Operating Voltage: 5 V

• Input Voltage (recommended): 7–12 V

• Clock Speed: 16 MHz

• Flash Memory: 32 KB (0.5 KB used by bootloader)

• SRAM: 2 KB

• EEPROM: 1 KB

Use Cases

• Learning microcontroller programming

• Robotics and automation projects

• Sensor interfacing and data logging

• Rapid hardware prototyping

Note: This is an Arduino-compatible board and not manufactured by Arduino®.