Arduino Uno R3 SMD Microcontroller Board - A000073
🔷 Arduino Uno Rev3 SMD
The Arduino Uno R3 SMD is a surface-mount version of the classic Uno board, designed for reliable performance in education, prototyping, and embedded development. It delivers the same functionality as the DIP version but with a permanently soldered microcontroller for improved durability.
📊 INFOGRAPHIC OVERVIEW
🧠 Microcontroller : ATmega328P (SMD Version) ⚡ Clock Speed : 16 MHz 💾 Flash Memory : 32 KB (0.5 KB used by bootloader) 🧮 SRAM : 2 KB 📦 EEPROM : 1 KB 🔌 Operating Voltage : 5V ⚡ Input Voltage : 7–12V recommended 📏 Form Factor : Standard Uno 🔗 USB Interface : ATmega16U2
🚀 KEY FEATURES (Point-by-Point)
🧠 1️⃣ ATmega328P (SMD Mounted)
Surface-mounted microcontroller
Same performance as DIP version
More robust for classroom and long-term use
Not removable (unlike DIP variant)
🔌 2️⃣ USB Communication
ATmega16U2 USB-to-Serial converter
Reliable PC connection
Supports Windows, macOS & Linux
🔢 3️⃣ I/O Capabilities
| Feature | Details |
|---|---|
| Digital I/O Pins | 14 |
| PWM Pins | 6 |
| Analog Inputs | 6 |
| UART | 1 |
| I²C | Yes |
| SPI | Yes |
✔ Standard shield compatibility
⚡ 4️⃣ Power Options
USB powered (5V)
DC barrel jack input
VIN pin support
Onboard voltage regulator
📏 5️⃣ Physical Design
Standard Uno R3 layout
Compatible with all Uno shields
Stronger PCB mounting due to SMD design
🆚 SMD vs DIP Version
| Feature | Uno R3 SMD | Uno R3 DIP |
|---|---|---|
| Microcontroller | Soldered (SMD) | Removable (DIP) |
| Durability | Higher | Moderate |
| Chip Replacement | Difficult | Easy |
| Performance | Same | Same |
👉 Ideal when durability matters more than chip swapping.
🛠️ IDEAL APPLICATIONS
✅ STEM Education
✅ Robotics Projects
✅ Sensor & Motor Control
✅ Industrial Prototyping
✅ Automation Systems
✅ Embedded Product Testing
🎯 Why Choose Arduino Uno R3 SMD?
✔ Official Arduino hardware
✔ Reliable & classroom-friendly
✔ Fully shield compatible
✔ Massive community support
✔ Perfect for beginners & professionals
If you're building your robotics or electronics product catalog (like your other Arduino boards), this version is ideal for schools and bulk training programs due to its durability.

