Arduino UNO WiFi Rev2 Board (ABX00173) | IoT Development
Arduino UNO WiFi Rev2 (ABX00173) — IoT-Ready Microcontroller Board
The Arduino UNO WiFi Rev2 is a microcontroller board based on the ATmega4809, featuring an integrated ESP32-based WiFi and Bluetooth module (NINA-W102). It is ideal for IoT and connected projects, maintaining full compatibility with the Arduino Uno ecosystem. On-board wireless connectivity without sacrificing familiar Uno format.
Key Specifications
| Specification | Value |
|---|---|
| Microcontroller | ATmega4809 (16 MHz) |
| Wireless | WiFi 802.11 b/g/n, Bluetooth v4.2 |
| Digital I/O Pins | 14 (6 PWM) |
| Flash Memory | 48 KB |
| SRAM | 6,144 Bytes |
| Operating Voltage | 5V |
What You Can Build With This
- WiFi-controlled home automation hub
- Bluetooth-enabled sensor data logger
- Smart IoT weather station
- Remote motor control via BLE
Compatibility
Works with all Arduino Uno shields and most 5V sensors and actuators. Compatible with the Arduino IDE and Cloud Editor. Pairs well with standard 5V power supplies and USB cables.
Wiring Notes
The board operates at 5V logic level; do not exceed 5V on I/O pins. The onboard WiFi module communicates over UART. For initial setup, connect via USB Type-B cable.
Why Buy from Compoden
Every component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.
Is this compatible with Arduino Uno shields?
Yes, the board maintains the same pinout and form factor as the classic Uno, ensuring shield compatibility.
Can I program it wirelessly?
Yes, using the Arduino IoT Cloud or via OTA updates through the Arduino IDE.
What is the difference from the Uno R3?
The UNO WiFi Rev2 adds an ATmega4809 and integrated WiFi/BLE, unlike the R3 which requires external modules.
📦 Free Setup Handoff Document Included
Every Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.
Ask Soldr above what you can build with this — it knows every Compoden kit this part appears in.
Shipping Information
- Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
- COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
- Delivery Timeline: Dispatch in 1-2 days, delivery in 2-7 days depending on location
Returns & Warranty
- 7-Day Return: Manufacturing defects only (approval required)
- Warranty: 7 days from delivery
- Non-Returnable: Batteries, consumables, cut wires, clearance items