Kickstart your automation, robotics, and smart electronics projects with the Arduino Uno R3 SMD Edition. Driven by a surface-mounted ATmega328P microcontroller chip, this version offers the exact same layout, processing speed, pinouts, and software compatibility as the standard Uno R3, but at a more budget-friendly price point. Built with a low-profile surface-mount design, it features increased resistance to accidental vibration, making it the perfect, dependable brain for student engineering kits, classroom training modules, and robust embedded hardware setups.
Key Product Features
- 100% Shield Ecosystem Support: Shares the exact physical footprint and female header alignment as the classic Uno, fitting seamlessly with all standard Arduino shields, sensor modules, and relay boards.Â
- Sleek Low-Profile SMD Design: The surface-mounted processor sits flush on the PCB, eliminating elongated through-hole pins that can bend or short-circuit against metal backplates.Â
- Robust Dual Power Path: Can be powered safely via the standard USB Type-B port or through an external unregulated DC adapter plugged into the onboard 2.1mm center-positive barrel jack.Â
- Massive Learning Ecosystem: Instantly recognized by the official Arduino IDE, allowing you to flash thousands of free open-source software libraries without needing extra programming adapters

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