Arduino UNO WiFi Rev.2

The Arduino UNO WiFi Rev.2 brings the power of wireless connectivity to the beloved UNO form factor, making it the perfect entry point for Internet of Things (IoT) development. Powered by the advanced ATmega4809 8-bit microcontroller, and featuring the u-blox NINA-W102 Wi-Fi/Bluetooth® module, this board enables seamless connection to wireless networks and BLE devices for modern, connected applications.

Whether you're building smart home devices, a wireless sensor network, or creating BLE-enabled gadgets, the UNO WiFi Rev.2 has you covered. The onboard ECC608 Crypto Chip ensures secure communication, while the built-in LSM6DS3TR IMU expands its application scope into motion-based or orientation-aware projects.

Designed for compatibility and ease of use, the board supports all existing Arduino UNO shields and sketches with minimal adjustments, thanks to a compatibility layer for the new microcontroller.

Key Features:

• Microcontroller: ATmega4809 – more powerful and versatile than the classic ATmega328P

• Wireless Connectivity: u-blox NINA-W102 module supports Wi-Fi and Bluetooth®/BLE

• Onboard Security: ECC608 crypto chip for secure authentication and communication 

• Motion Detection: Built-in IMU (LSM6DS3TR) for sensing motion and orientation

• Backward Compatible: Works with most existing UNO-compatible shields and libraries

• USB, Power Jack, and ICSP Header for versatile powering and programming options

Specifications:

• Operating Voltage: 5V

• Input Voltage (recommended): 6–20V

• Digital I/O Pins: 14 (5 PWM capable)

• Analog Input Pins: 6

• DC Current per I/O Pin: 20 mA

• Flash Memory: 48 KB

• SRAM: 6,144 Bytes

• EEPROM: 256 Bytes

• Clock Speed: 16 MHz

• Connectivity: Wi-Fi and Bluetooth® via u-blox NINA-W102

• Crypto Chip: ATECC608A

• IMU Sensor: LSM6DS3TR

• Dimensions: 68.6 mm x 53.4 mm

• Weight: 25 g

Whether you're a beginner exploring IoT or an advanced maker building next-gen wireless applications, the Arduino UNO WiFi Rev.2 gives you the tools to innovate with ease.