Arduino Uno R3

About this item

🔌 Arduino Uno R3

💡 The Classic Microcontroller for Makers & Learners

The Arduino Uno R3 is the most iconic and beginner-friendly Arduino board based on the ATmega328P. It’s reliable, well-documented, and perfect for prototyping, education, and DIY electronics.

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🛡️ Built-In Features

• 🧠 ATmega328P microcontroller @ 16 MHz
• 💾 32KB Flash, 2KB SRAM, 1KB EEPROM
• 🔌 USB-B port for programming & power
• ⚙️ 14 digital I/O (6 PWM), 6 analog inputs
• 🔋 Operates at 5V logic level
• 🧩 Fully supported in the Arduino IDE

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📦 Easy to Use & Versatile

The Uno R3 is plug-and-play with most sensors, modules, and shields. It’s ideal for first-time users and trusted by engineers and educators worldwide.

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🛠️ Applications

• 🧪 STEM education & school kits
• 🤖 Robotics and automation
• 📡 IoT prototypes and sensors
• 🎛️ Control panels and switches
• 💡 LED lighting and effects
• 🧰 General-purpose microcontroller projects

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⚠️ Notes

• ⚠️ Not breadboard-compatible — use jumpers or shield
• ⚡ Use USB or external 7–12V via barrel jack or VIN
• ✅ Compatible with most Arduino libraries and tutorials

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✨ Key Features

• 🧠 Microcontroller: ATmega328P @ 16 MHz
• 💾 Memory: 32KB Flash, 2KB SRAM, 1KB EEPROM
• 🔌 Port: USB-B + DC jack
• ⚙️ I/O Pins: 14 digital (6 PWM), 6 analog
• 📏 Size: 68.6 × 53.4 mm
• 🔋 Operating Voltage: 5V (7–12V via VIN)
• 🧰 IDE Support: Arduino IDE, PlatformIO

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🔗 Useful Links

• 📄 ATmega328P Datasheet
• 🧰 Pinout Diagram