Arduino Uno Rev3

✅ Arduino UNO R3 – The Most Popular Development Board
The Arduino UNO R3 is the most widely used and beginner-friendly development board based on the ATmega328P microcontroller. It’s perfect for getting started with embedded systems, electronics, robotics, and DIY projects.

✅ Microcontroller: ATmega328P (16 MHz)
🔌 USB Interface: Standard USB Type-B for programming and power
⚡ Power Options: USB, 9V battery, or external adapter (7–12V)
🔄 Auto Power Switching: Automatically selects power source
💾 Memory: 32 KB Flash, 2 KB SRAM, 1 KB EEPROM
📟 I/O Pins: 14 Digital I/O (6 PWM), 6 Analog Inputs
💡 Built-in LED on Pin 13
🛡️ USB Protection: Resettable polyfuse

🔧 Technical Specs
📐 Operating Voltage: 5V
🔋 Input Voltage (recommended): 7–12V
🔌 DC Current per I/O Pin: 40 mA
💻 USB Chip: CH340 or ATmega16U2 (varies by version)

📦 Package Includes
• 1x Arduino UNO R3 Board
• 1x USB Cable (Type-B)
• Optional: Header pins (based on version)

🧠 Why Choose Arduino UNO R3?
Perfect for beginners and experts alike. Fully compatible with Arduino IDE, strong community support, and ideal for robotics, IoT, automation, and educational projects.