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The Arduino Uno R3 SMD Edition is a compact, budget-friendly microcontroller development board based on the ATmega328P SMD chip. This version uses the CH340 USB-to-serial driver, making it a cost-effective alternative to the original FTDI or 16U2 versions, without compromising functionality.

With 14 digital I/O pins (6 PWM), 6 analog inputs, and full support for I2C, SPI, and UART protocols, it's ideal for robotics, embedded systems, home automation, and DIY electronics. Whether you’re a beginner or an advanced maker, this board works seamlessly with the Arduino IDE and comes with a USB cable for immediate plug-and-play usage.

Key Features:

ATmega328P SMD microcontroller

CH340 USB-to-serial converter

14 digital I/O pins (6 PWM)

6 analog input pins

16 MHz quartz crystal

5V operating voltage

Includes USB cable

100% compatible with Arduino IDE

Ideal for robotics, IoT, and learning projects