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Arduino Uno R3 SMD Development Board
Arduino Uno R3 SMD Development Board is a versatile microcontroller based on the ATmega328P, ideal for electronics, robotics, and IoT projects. It features 14 digital I/O pins, 6 analog inputs, USB programming, and full compatibility with the Arduino IDE and shields.
Arduino Uno R3 SMD Development Board
The Arduino Uno R3 SMD is a powerful and beginner-friendly microcontroller board based on the ATmega328P (SMD version), designed for learning, prototyping, and real-world electronics applications. With its stable performance and wide compatibility, it is one of the most popular boards for IoT, robotics, automation, and embedded projects.
This board features 14 digital I/O pins, 6 analog inputs, and supports USB programming, making it ideal for students, hobbyists, and professionals. The SMD version offers improved durability and compact soldered components, perfect for long-term and industrial use.
Compatible with the Arduino IDE, the Uno R3 SMD supports C/C++ programming and works seamlessly with a wide range of sensors, shields, and modules, allowing you to build projects quickly and efficiently.
Key Features
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Based on ATmega328P (SMD) microcontroller
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Operating Voltage: 5V
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Input Voltage (recommended): 7–12V
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14 Digital I/O Pins (6 PWM supported)
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6 Analog Input Pins
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Clock Speed: 16 MHz
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Flash Memory: 32 KB
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SRAM: 2 KB, EEPROM: 1 KB
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USB Interface for programming and power
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Compatible with all standard Arduino shields
Applications
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Robotics & automation projects
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IoT and smart device development
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Educational & training kits
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Sensor interfacing & control systems
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Prototyping and product development

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