---
product_id: 97591969
title: "UNO WiFi REV2 [ABX00021] - Enhanced Microcontroller with Built-in WiFi, Secure Connectivity & Advanced Features"
brand: "arduino"
price: "Bs.1260"
currency: BOB
in_stock: true
reviews_count: 13
category: "Arduino"
url: https://www.desertcart.bo/products/97591969-uno-wifi-rev2-abx00021-enhanced-microcontroller-with-built-in-wifi
store_origin: BO
region: Bolivia
---

# Onboard IMU Sensor for Motion Detection Built-in WiFi & Bluetooth ECC608 Crypto Chip for Secure IoT UNO WiFi REV2 [ABX00021] - Enhanced Microcontroller with Built-in WiFi, Secure Connectivity & Advanced Features

**Brand:** arduino
**Price:** Bs.1260
**Availability:** ✅ In Stock

## Summary

> 🚀 Unlock the future of smart projects with Arduino UNO WiFi REV2 — where connectivity meets security and innovation!

## Quick Answers

- **What is this?** UNO WiFi REV2 [ABX00021] - Enhanced Microcontroller with Built-in WiFi, Secure Connectivity & Advanced Features by arduino
- **How much does it cost?** Bs.1260 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/97591969-uno-wifi-rev2-abx00021-enhanced-microcontroller-with-built-in-wifi)

## Best For

- arduino enthusiasts

## Why This Product

- Trusted arduino brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rock-Solid Security:** Keep your data safe with the integrated ECC608 crypto chip, ensuring encrypted and secure communications.
- • **Motion Sensing Made Easy:** Leverage the onboard LSM6DS3TR IMU sensor to add precise acceleration and gyroscopic motion tracking to your projects.
- • **Seamless IoT Integration:** Effortlessly connect your projects to WiFi and Bluetooth networks with the built-in u-blox NINA-W102 module.
- • **Flexible Connectivity & Power:** 14 digital I/O pins, 6 analog inputs, multiple power options—USB, AC adapter, or battery—adapt to any project environment.
- • **Next-Gen Microcontroller Power:** Experience enhanced performance with the ATmega4809, fully compatible with classic Arduino UNO sketches.

## Overview

The Arduino UNO WiFi REV2 is a powerful microcontroller board featuring built-in WiFi and Bluetooth connectivity via the u-blox NINA-W102 module, secured by an ECC608 crypto chip. Powered by the advanced ATmega4809 microcontroller, it offers improved performance while maintaining compatibility with classic Arduino UNO sketches. Its onboard LSM6DS3TR IMU sensor enables motion detection, making it ideal for IoT and sensor-driven applications. With versatile I/O options and flexible power sources, it’s the perfect launchpad for professional-grade IoT projects.

## Description

desertcart.com: Arduino UNO WiFi REV2 [ABX00021] - Enhanced Microcontroller with Built-in WiFi, Secure Connectivity & Advanced Features : Electronics

Review: Guess I got Lucky - The first board I ordered worked well, I was able to create a little pool monitor with it and I ordered another one for a dev board. Pros: no extra Devices to attach to connect to wifi: Easy to work with once I got the right library loaded for it. Con: Range on it is not that strong. I wanted to mount it on a side that didn't face the road, but it couldn't connect, I had to put it on the other side of the pool which is also closer to an outside access point to get it to connect to the network. Anything with wifi tends to suck up battery life if you use the 9v connecter.
Review: Great solution for IoT projects - Used as a coordinator node in a greenhouse project with wireless nodes for horticulture. It keeps my internal nodes communicated through radio frequency modules and the wifi chip is used for communication with the router and sending information through the Ubidots platform. It should be clear some basics concepts to implement them in communication with IoT platforms.

## Features

- Easy Entry into IoT with Arduino UNO WiFi Rev.2: The perfect starting point for basic IoT applications, featuring the familiar UNO form factor. Ideal for building sensor networks connected to your home or office WiFi, or creating Bluetooth Low Energy devices to communicate with smartphones.
- WiFi and Bluetooth Connectivity with Secure ECC608 Crypto Chip: Connect your projects to a WiFi network effortlessly using the built-in u-blox NINA-W102 module, or use Bluetooth and Bluetooth Low Energy for wireless communication. The integrated ECC608 crypto chip ensures secure data exchanges for safe IoT connections.
- New ATmega4809 Microcontroller for Enhanced Performance: Powered by the ATmega4809 8-bit microcontroller from Microchip, providing improved functionality over the traditional ATmega328P used in the original Arduino UNO. Full compatibility with previous UNO sketches through the included compatibility layer.
- Onboard IMU Sensor for Motion Detection and Monitoring: Equipped with an LSM6DS3TR Inertial Measurement Unit (IMU), allowing you to measure acceleration and gyroscopic movement, making it perfect for motion-based projects and monitoring applications.
- Versatile Connectivity and Power Options: Features 14 digital I/O pins, 6 analog inputs, and 5 PWM outputs, along with USB, ICSP header, and power jack connections. Can be powered by USB, AC adapter, or battery, offering flexibility for various project requirements.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07MK598QV |
| Best Sellers Rank | #2,711 in Single Board Computers (Computers & Accessories) |
| Brand | Arduino |
| Customer Reviews | 4.4 4.4 out of 5 stars (319) |
| Date First Available | December 21, 2018 |
| Is Discontinued By Manufacturer | No |
| Item Dimensions LxWxH | 3.15 x 2.28 x 0.91 inches |
| Item Weight | 1.41 ounces |
| Item model number | ABX00021 |
| Manufacturer | Arduino S.r.l. |
| Number of Processors | 1 |
| Operating System | FreeRTOS |
| Processor | none |
| Processor Brand | Microchip |
| Product Dimensions | 3.15 x 2.28 x 0.91 inches |
| RAM | SRAM |
| Series | Arduino UNO WiFi REV2 |
| Wireless Type | Bluetooth |

## Product Details

- **Brand:** Arduino
- **CPU Model:** None
- **Connectivity Technology:** Bluetooth, Wi-Fi
- **Included Components:** User Manual
- **Model Name:** Arduino UNO WiFi REV2

## Images

![UNO WiFi REV2 [ABX00021] - Enhanced Microcontroller with Built-in WiFi, Secure Connectivity & Advanced Features - Image 1](https://m.media-amazon.com/images/I/61hvzB244kL.jpg)

## Questions & Answers

**Q: Can i use adafruit motor shield for arduino v2.3 with this board?**
A: I don’t see why you couldn’t be able to as long as the 𝐒hield has the shape of an uno. However I had to buy an uno because the processor architecture is different with the WiFi revision 2 because it uses a different chip. The program I wrote was unable to run on the WiFi revision 2 but worked fine on the uno revision 3

**Q: does it support  I2C?**
A: Yes

**Q: What’s the difference between this and the yun rev 2?**
A: I think the revision 2 uses a different processor chip while the revision 1 uses the atmega328 which is the same as the uno

**Q: I got it to connect to my WiFi with a sketch but  I can't get anything from 192.168.240.1 is this the rigth address?**
A: It seems like you are using the previous version of the uno wifi. The uno wifi rev 2 doesn't have a web panel, in order to control the wifi connection you need to use the WIFI NINA library

## Customer Reviews

### ⭐⭐⭐⭐⭐ Guess I got Lucky
*by J***M on July 16, 2020*

The first board I ordered worked well, I was able to create a little pool monitor with it and I ordered another one for a dev board. Pros: no extra Devices to attach to connect to wifi: Easy to work with once I got the right library loaded for it. Con: Range on it is not that strong. I wanted to mount it on a side that didn't face the road, but it couldn't connect, I had to put it on the other side of the pool which is also closer to an outside access point to get it to connect to the network. Anything with wifi tends to suck up battery life if you use the 9v connecter.

### ⭐⭐⭐⭐⭐ Great solution for IoT projects
*by A***R on September 21, 2022*

Used as a coordinator node in a greenhouse project with wireless nodes for horticulture. It keeps my internal nodes communicated through radio frequency modules and the wifi chip is used for communication with the router and sending information through the Ubidots platform. It should be clear some basics concepts to implement them in communication with IoT platforms.

### ⭐⭐⭐⭐ Versatile, but WiFi can be frustrating as a beginner. Helpful tips below!
*by L***E on February 1, 2021*

This is a decent board once you figure out the quirks, I’ll share what I learned to help get you started. First limitation to know is that it only supports 2.4 GHz WiFi, not 5 GHz. You can use Bluetooth or WiFi but not both at the same time. The WiFi range isn’t great—the antenna is small so don’t expect it to work as far away as normal devices do. If the location is more than 30 feet from the AP/router in a busy environment, you could start to have problems with data quality and reception. When you get the board and install the Arduino IDE software, you need to go into the board manager and install the “Arduino megaAVR Boards” package and select the correct board from the list before it will work (the one it prompts you to install incorrect). Next you should update the WiFi firmware. The firmware included with the current Arduino IDE is outdated, so you have to install the nightly build version of the IDE from their website temporarily to get the latest firmware. Install the WiFiNINA library and upload the FirmwareUpdater sketch found the examples menu. Then you can use the WiFiNINA Firmware Updater under the tools menu to update it. If you don't update the WiFi firmware you can have some strange issues that are difficult to solve, so just do it first. You can use the example sketches to try to connect to WiFi. Be careful if you have a backslash (\) or double quote (") in your WiFi password, if you do then you need to escape them by putting an extra backslash in front of the problem character. Make sure you include a check in your code if you are still connected to WiFi like the examples. That way it should reconnect if the signal is bad or gets booted. However, DHCP leases are still a problem. If the lease expires, the Arduino will stay connected to WiFi but won’t be able to communicate. You can give your Arduino a static DHCP lease on your router to avoid this. Another method I use is to ping Google or Cloudflare every so often, and if that fails, disconnect the WiFi and reconnect. You must disconnect and reconnect from WiFi to renew the DHCP lease since there’s not another way that I’m aware. This happens every 24 hours on most routers. Make sure your code checks for data integrity somehow, you should expect there will be some data corruption and errors especially if the network is busy. The buffers aren’t the best and the small amount available memory makes it hard to improve that. If you are dealing with large amounts of data, need an error rate less than 1%, or it’s time critical (e.g. need to respond in less than a second), I suggest going with something with a full network stack like a Raspberry Pi. Last thing to be aware of are sockets. By default you get 10, so if you forget to close them after a failed attempt, then it will stop working after 10 communication errors. A lot of people have trouble with them disconnecting randomly. That can happen, and you have to make sure your code knows how to fix the connection (things I mentioned above). I strongly recommend you put enough serial prints in your code to track what’s going on, and then log the serial output for at least 24 hours to check for any potential problems before calling it good. Sometimes it takes a day for a problem to show up with the network stuff. I’m using mine to go get a forecast every so often, it seems to be working acceptably after figuring out all of the above. Know that it can be slow, especially if it needs to ping something or reconnect, it might take 5 or 10 seconds for a response in some cases. That’s not an issue in my case, but for some applications it might be. Also don’t expect it to handle multiple simultaneous connections very well, that will probably cause lag and potential data loss. Overall this board has a lot of versatility, just know the network aspect is going to have some limitations but it should work well enough for simplistic applications like getting a forecast, posting data, communicating with a Bluetooth device, very basic web server, etc. Price is a little steep, but this is probably one of the easier WiFi boards to work with as a beginner.

## Frequently Bought Together

- Arduino UNO WiFi Rev.2 [ABX00021] – ATmega4809 Microcontroller with Built-in WiFi, Bluetooth® Low Energy, Secure ECC608 Crypto Chip, IMU Motion Sensor, Ideal for IoT Projects
- ELEGOO 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Ribbon Cables Kit Compatible with Arduino Projects
- UL Listed 9V AC Power Adapter for Arduino UNO, Power Supply Cord for Crosley Cruiser CR8005A, Schwinn Bike A10 A20 A40 220 430 Elliptical Trainer - Center Positive 5.5x2.1mm Plug (6.6ft)

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*Product available on Desertcart Bolivia*
*Store origin: BO*
*Last updated: 2026-03-20*