Arduino Uno R3 Original Board

DESCRIPTION: The Arduino Uno R3 Original is a powerful and reliable microcontroller board based on the ATmega328P chip. Perfect for beginners, students, and hobbyists, it provides a flexible platform for a wide range of projects—from simple LED circuits to sensor-driven prototypes and robotics. 
KEY FEATURES:
Ideal for learning and prototyping with easy-to-use digital and analog pins
PWM support on 6 digital pins enables precise control of motors and LEDs
Integrated USB interface allows effortless programming via a PC
Onboard LED on digital pin 13 for immediate testing
Supports UART, SPI, and I2C protocols for communication with other devices
Expandable with Arduino shields for additional functionality
Overcurrent protection through a built-in resettable polyfuse
TECHNICAL SPECIFICATIONS:
Microcontroller: ATmega328P
Operating Voltage: 5V
Recommended Supply Voltage: 7–12V
Maximum Supply Voltage: 20V
Digital I/O Pins: 14 (6 PWM)
Analog Input Pins: 6
Flash Memory: 32 KB (0.5 KB used by bootloader)
SRAM: 2 KB | EEPROM: 1 KB
Clock Speed: 16 MHz
Board Dimensions: 30 mm (L) × 20 mm (W) × 10 mm (H)
Weight: 25 grams