Key Features:
Microcontroller: ATmega328P
Operating Voltage: 5V
Input Voltage (recommended): 7–12V
Digital I/O Pins: 14 (6 with PWM output)
Analog Input Pins: 6
Flash Memory: 32 KB (0.5 KB used by bootloader)
SRAM: 2 KB
EEPROM: 1 KB
Clock Speed: 16 MHz
USB Connection: Type-B for easy programming & power
Power Jack, ICSP header, and reset button
Why Choose the Arduino Uno R3?
Beginner-friendly: Easy to set up with the Arduino IDE and a large online community for support.
Versatile: Ideal for robotics, IoT, home automation, sensors, and creative DIY projects.
Open-source ecosystem: Compatible with thousands of shields, modules, and libraries.
Durable & reliable: A trusted choice in classrooms, labs, and workshops worldwide.
Whether you’re just starting your journey in electronics or building advanced interactive systems, the Arduino Uno R3 is the perfect balance of simplicity and power.



