Arduino UNO WiFi REV2

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85%
91%
WiFi Connectivity
86%
Ease of Use
88%
Bluetooth Connectivity
90%
Performance vs. Previous Models
89%
Security Features
85%
Sensor Integration (IMU)
93%
Compatibility with Older Projects
82%
Software/IDE Experience
80%
Power Options Flexibility
84%
Build Quality
79%
Documentation and Support
72%
Learning Curve for Beginners
More

Overview

The Arduino UNO WiFi REV2 is a powerful microcontroller designed for a wide range of projects. With built-in WiFi and Bluetooth connectivity, this board is perfect for creating IoT devices or sensor networks. It runs on the ATmega4809 microcontroller, which significantly boosts performance compared to earlier models. Compatibility with previous Arduino UNO sketches allows for a seamless transition for users familiar with older boards. This versatile microcontroller makes it easy to start developing connected projects without needing additional components or modules.

Features & Benefits

This microcontroller offers impressive connectivity, featuring the u-blox NINA-W102 module for stable WiFi and Bluetooth Low Energy support. Its onboard IMU sensor enables precise motion detection, making it ideal for applications like robotics or wearables. Security is also a key benefit, thanks to the built-in ECC608 crypto chip that ensures safe communication for IoT devices. With 14 digital I/O pins, 6 analog inputs, and 5 PWM outputs, the Arduino board provides extensive versatility for various types of projects.

Best For

The Arduino UNO WiFi REV2 is best suited for hobbyists, developers, and educators working on IoT projects. Whether you're designing smart home devices or building a sensor network, this board offers the functionality needed to bring your ideas to life. Its user-friendly interface and compatibility with the Arduino IDE make it an excellent choice for beginners learning about microcontrollers and wireless communication. Experienced developers can also leverage its secure connectivity and advanced features for more complex systems.

User Feedback

Users appreciate the seamless integration of WiFi and Bluetooth, which makes connecting devices straightforward. Many note the significant performance improvements over earlier Arduino models, especially when working with larger or more complex projects. The onboard IMU sensor has received positive reviews for its use in motion-tracking applications. However, some beginners find the learning curve steep, particularly when transitioning from simpler boards. Despite this, the strong community and resources available for Arduino help ease the process for most users.

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Pros

  • WiFi and Bluetooth integration makes it easy to build IoT projects and connected devices.
  • Backwards compatibility with previous Arduino UNO sketches offers flexibility for existing projects.
  • Onboard IMU sensor is great for motion detection and monitoring applications.
  • The ECC608 crypto chip provides secure communication for IoT setups.
  • The ATmega4809 microcontroller delivers improved performance compared to earlier models.
  • Compact design with 14 digital I/O pins and 6 analog inputs supports a variety of project configurations.

Cons

  • Some users find the learning curve steep, especially for beginners in the Arduino ecosystem.
  • Power management could be a concern for large or power-hungry projects.
  • Advanced features like Bluetooth and secure connectivity may be complex to set up without prior experience.
  • Not the best choice for simple, non-wireless microcontroller projects that don’t require advanced features.
  • Limited range for Bluetooth and WiFi connectivity may not meet the needs of some larger IoT systems.
  • The size may be slightly larger than expected for those looking for ultra-compact microcontroller options.

Ratings

The ratings for the Arduino UNO WiFi REV2 were generated after analyzing verified user reviews across multiple platforms and languages. Our analysis excluded spam, bot-generated, and incentivized feedback, ensuring only authentic user experiences shaped these scores. Both the strengths and weaknesses of this device are reflected in the results, offering a comprehensive view of what users truly think about its performance and features worldwide.

WiFi Connectivity
91%
Many users are impressed by the seamless WiFi performance provided by the built-in u-blox NINA-W102 module. This ensures stable connections for IoT projects, allowing users to easily integrate remote control and data exchange functionalities into their designs.
While most users are satisfied with WiFi connectivity, a few note that the range could be slightly better for larger projects, especially in environments with heavy interference from other wireless devices.
Ease of Use
86%
The user-friendly nature of this microcontroller makes it accessible even for beginners. The compatibility with previous Arduino sketches allows users to quickly get started without needing to learn new programming from scratch.
Some users mention that while the device is easy to use for basic projects, those venturing into more complex applications may experience a steep learning curve, especially when handling advanced features like Bluetooth or security integration.
Bluetooth Connectivity
88%
The Bluetooth Low Energy (BLE) functionality is well received by users for its low power consumption and easy setup. This makes it an excellent choice for mobile or battery-powered projects, offering reliable wireless communication.
A few users have reported occasional disconnections or setup challenges when pairing with certain devices. However, these issues seem to be more related to software or specific hardware configurations rather than the board itself.
Performance vs. Previous Models
90%
Users appreciate the improved performance of the ATmega4809 microcontroller compared to older models. The added processing power makes handling more complex projects with multiple tasks simultaneously a lot smoother.
Though the performance is generally better, some long-time Arduino users feel that the differences are not significant enough to warrant an upgrade, especially for basic projects where older models would suffice.
Security Features
89%
The inclusion of the ECC608 crypto chip enhances security, making this board an excellent choice for IoT projects requiring encrypted communication. Many users feel confident knowing their devices can establish secure connections for data transfer.
While security features are generally appreciated, some users mention that the setup for secure connections can be a bit tricky for newcomers to the Arduino ecosystem, requiring additional effort to configure properly.
Sensor Integration (IMU)
85%
The onboard IMU sensor is highly regarded by users working on motion detection and sensor-based projects. It's easy to integrate with custom applications, offering reliable readings for accelerometer and gyroscope data.
A small number of users have found that the IMU sensor's accuracy can be affected by interference from other components, requiring fine-tuning or calibration to achieve optimal results in more complex setups.
Compatibility with Older Projects
93%
The backward compatibility with Arduino UNO sketches is a major advantage for users transitioning from older models. This feature allows for easy reuse of existing code and accelerates project development.
While compatibility is generally praised, some users have encountered minor issues when running more complex or third-party libraries that may not be fully optimized for the new architecture of this board.
Software/IDE Experience
82%
18%
The board works well with the popular Arduino IDE, which many users find familiar and easy to navigate. The free and open-source nature of the development environment allows for rapid experimentation and prototyping.
Some users have expressed frustration with occasional glitches in the IDE, especially when compiling code for this specific model. While not a widespread issue, it can cause delays for users who are not familiar with troubleshooting software problems.
Power Options Flexibility
80%
20%
With multiple power options, including USB, AC adapter, and battery support, users appreciate the flexibility to choose the best power source based on their project's needs, whether it's for portability or a fixed setup.
While the power options are varied, a few users find the device’s power management less efficient for battery-powered projects, which can lead to shorter runtimes for projects with heavy wireless use.
Build Quality
84%
The build quality is solid, and the compact design makes this board easy to integrate into different enclosures. The robust construction helps ensure longevity even with regular handling during prototyping.
A handful of users have reported issues with soldering points on some units, where the quality of the connections might not meet the expectations of those working on more intricate designs or requiring highly durable hardware.
Documentation and Support
79%
21%
The extensive community and official documentation available for this microcontroller help users troubleshoot issues and learn best practices, making it an excellent resource for new and seasoned developers alike.
Some users have mentioned that the official documentation can sometimes be sparse for more advanced features, requiring reliance on community forums or third-party tutorials for complex tasks.
Learning Curve for Beginners
72%
28%
For users with basic knowledge of microcontrollers, the learning curve is relatively manageable. The compatibility with existing Arduino sketches also lowers the barrier for beginners transitioning from other Arduino boards.
Newcomers to the Arduino ecosystem may find the wide array of features and settings intimidating. Some users report that it takes considerable time to get up to speed with the more advanced capabilities of this board.

Suitable for:

The Arduino UNO WiFi REV2 is an excellent choice for DIY electronics enthusiasts, hobbyists, and developers working on Internet of Things (IoT) projects. Its built-in WiFi and Bluetooth capabilities make it ideal for creating connected devices, such as smart home systems or sensor networks. Educators and students looking to explore wireless communication and microcontroller basics will also find this board highly accessible, especially with its backward compatibility to older Arduino UNO sketches. Additionally, makers who need secure communication will benefit from the ECC608 crypto chip, which provides a higher level of encryption for IoT applications. Whether you're a developer building a smart office or a hobbyist experimenting with motion-based systems, this board offers the necessary features and flexibility for a wide range of applications.

Not suitable for:

While the Arduino UNO WiFi REV2 is versatile, it may not be the best option for users looking for a simple plug-and-play experience. Beginners unfamiliar with the Arduino ecosystem might find the learning curve steep, particularly when configuring advanced features like Bluetooth or secure connectivity. Some users have mentioned that, although it works well for many IoT projects, the range and power management might not be sufficient for larger or more complex systems. Additionally, those who primarily need a straightforward microcontroller for basic tasks, or users with very specific hardware requirements, might find this device more advanced than necessary. If you're looking for a basic microcontroller with no wireless needs, this device may be overkill.

Specifications

  • Microcontroller: Powered by the ATmega4809 microcontroller, offering enhanced performance and processing capabilities.
  • Connectivity: Supports both WiFi and Bluetooth Low Energy (BLE) for versatile wireless communication.
  • WiFi Module: Integrates the u-blox NINA-W102 module for seamless and reliable WiFi connectivity.
  • Crypto Chip: Includes an ECC608 crypto chip to secure communications in IoT applications.
  • IMU Sensor: Onboard LSM6DS3TR IMU sensor for motion detection and orientation tracking.
  • I/O Pins: Equipped with 14 digital I/O pins and 6 analog inputs for diverse project requirements.
  • PWM Outputs: Offers 5 PWM outputs for controlling motors, LEDs, and other devices requiring variable power.
  • Power Options: Provides multiple power options: USB, AC adapter, or battery, depending on project needs.
  • Operating System: Runs on FreeRTOS, an open-source real-time operating system ideal for embedded systems.
  • Dimensions: Measures 3.15 x 2.28 x 0.91 inches, making it compact and easy to integrate into various setups.
  • Weight: Weighs 1.41 ounces, lightweight enough for portable or small-scale projects.
  • Processor Speed: Powered by an 8-bit processor from Microchip, suitable for most basic embedded tasks.
  • Arduino Compatibility: Fully compatible with Arduino UNO sketches, ensuring easy integration with previous Arduino projects.
  • Sensor Interface: Supports various sensors and actuators through its digital and analog I/O pins.
  • Bluetooth Range: Supports Bluetooth Low Energy (BLE) with a reasonable range for most IoT and remote control applications.
  • Software Support: Compatible with the Arduino IDE for easy programming, with extensive library support for a wide range of applications.
  • Security: Designed with secure connectivity features, including encryption via the ECC608 crypto chip.
  • Release Date: Released on December 21, 2018, offering modern features at an affordable price point.
  • Form Factor: Standard Arduino form factor, fitting in with many common prototyping boards and accessories.

FAQ

The Arduino UNO WiFi REV2 is a versatile microcontroller designed for IoT projects, sensor networks, and applications requiring both WiFi and Bluetooth connectivity. It's ideal for hobbyists, developers, and students learning about wireless communication and microcontrollers.

To set up this Arduino board, connect it to your computer using a USB cable, install the Arduino IDE, and select the correct board and port in the IDE. From there, you can upload your code and begin experimenting with WiFi and Bluetooth functionality.

The Arduino UNO WiFi REV2 is powered by the ATmega4809 microcontroller, which provides improved processing power and performance compared to earlier Arduino boards. It supports a wide range of applications, including IoT and sensor projects.

Yes, the Arduino UNO WiFi REV2 comes with a built-in u-blox NINA-W102 module, which offers both Bluetooth Low Energy (BLE) and WiFi connectivity. This makes it a great choice for creating wireless IoT applications and devices.

The onboard IMU (Inertial Measurement Unit) sensor, the LSM6DS3TR, enables motion detection and monitoring. It's especially useful for projects involving motion tracking, robotics, and any application that requires the detection of movement or orientation.

Yes, the Arduino UNO WiFi REV2 includes an ECC608 crypto chip, which ensures secure IoT communication. This is especially important for projects where data privacy and encryption are necessary, such as connected home devices or remote sensor networks.

This board is ideal for IoT projects, home automation systems, sensor networks, and educational projects. It's well-suited for developers creating connected devices and hobbyists experimenting with wireless communication or motion-based applications.

Yes, the Arduino UNO WiFi REV2 is fully compatible with previous Arduino UNO sketches. This allows users to leverage existing code and easily upgrade projects with enhanced features like WiFi and Bluetooth connectivity.

Some users have reported a steep learning curve for beginners, especially when it comes to setting up WiFi and Bluetooth features. Additionally, power management could be a concern for larger, more power-intensive projects.

The Arduino UNO WiFi REV2 measures 3.15 x 2.28 x 0.91 inches and weighs 1.41 ounces. Its compact size makes it easy to integrate into a variety of projects while providing ample connectivity options.