Description :
The Arduino Uno R3 SMD is a compact and reliable version of the classic Uno board, featuring a surface-mounted (SMD) ATmega328P microcontroller instead of the traditional removable DIP chip. This design enhances durability and ensures stable long-term performance.
Despite the SMD design, the board maintains full compatibility with the Arduino ecosystem, including shields, libraries, and the Arduino IDE. It offers the same functionality and performance as the standard Uno, making it ideal for beginners, students, and professionals alike.
With its robust construction and seamless integration, the Arduino Uno R3 SMD is perfect for a wide range of electronics, robotics, and embedded system projects.
Specifications :
| Parameter | Details |
|---|---|
| Microcontroller | ATmega328P (SMD) |
| USB Interface | CH340G |
| Operating Voltage | 5V DC |
| Input Voltage (Recommended) | 7–12V |
| Input Voltage (Limit) | 6–20V |
| Analog I/O Pins | 6 |
| Digital I/O Pins | 14 (6 PWM outputs) |
| PWM Pins | 6 |
| DC Current (3.3V Pin) | 50mA |
| DC Current per I/O Pin | 40mA |
| Clock Speed | 16MHz |
| SRAM | 2KB |
| EEPROM | 1KB |
| Flash Memory | 32KB |
Features :
- Compact PCB Design Dimensions: 68.6 mm × 53.4 mm, lightweight (~25g) for easy integration in projects
- Multiple Connectivity Options Includes USB Type-B port, DC barrel jack, ICSP header, and reset button for flexible usage
- Dual Power Supply Support Can be powered via USB or DC jack for convenience
- On-Board LED Indicators Includes Power (ON/OFF), L (Pin 13), TX, RX LEDs for easy debugging and status monitoring
- Wide Operating Temperature Range Works reliably from -40°C to 90°C, suitable for various environments
Applications & Use Cases :
- Prototyping & Development Ideal for building and testing microcontroller-based projects quickly
- Education & Learning Perfect for coding practice, electronics labs, and STEM education
- Sensor Integration & Control Systems Easily connect and control sensors, actuators, and modules
- Robotics & Embedded Systems Widely used in robotics projects and embedded applications
- IoT & Data Logging Suitable for IoT experiments, automation, and real-time data collection
- Wide Compatibility Works seamlessly with Arduino shields and sketch libraries
⚠️ Important Notes :
- Non-Removable Microcontroller Unlike the DIP version, the SMD ATmega328P is permanently soldered onto the board and cannot be easily removed or replaced
- Same Performance as DIP Version Both SMD and DIP versions offer identical functionality, including the same pins, features, and full compatibility with Arduino shields and libraries
Package Included :
1 X Arduino Uno R3 SMD Development Board
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