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Product Specification

Arduino Uno Rev 4 Boards

A comprehensive development board series with improved capacity yet familiar form factor of UNO R3 boards.

Specifications

Product TypeMultiprotocol Development Boards
ApplicationsSmart homes, lighting, automation, DIY electronics, Robotics, Control systems, Agriculture
InterfaceUART, SPI, USB 2.0, Wi-FI, Bluetooth, CAN, and I2C
Operating Voltage3.3V and 5V
Frequency48 MHz and 2.4GHz

Overview

The boards provide enhanced functionality, processing power, and memory capacity compared to Arduino R3 boards but preserve the shield compatibility and form factor. The R4 Minima is cost-effective, while the R4 Wi-Fi board features the Espressif S3- Wi-Fi module. It, therefore, allows developers to design and test a wide range of applications involving Wi-Fi connectivity.

Versatile Boards Tailored for Powerful Processing of Advanced Applications

The Arduino UNO R4 boards are available in two options:

  • UNO R-4 Wi-Fi

  • UNO R4 Minima

Both boards feature the Renesas R4M1 32-bit Arm Cortex-M4 Processor, which boosts the overall board functionality, allowing developers to take on more advanced applications in various projects. 

The UNO R4 WiFi board also allows developers to integrate LCD controllers and capacitive touch displays for intuitive programming and to enhance the human-machine interface. It further accelerates performance due to low-power processing technology supported by an open, Flexible Software Package. The processor board makes it more viable for display-related applications involving LCDs and capacitive touch channels. 

The board operates at 48 MHz and 2.4GHz with multiple interface options, including Bluetooth, CAN, USB 2.0, SPI, UART, I2C, and Wi-Fi. The Espressif S3-Wi-Fi module enables developers to integrate IoT-based devices and microcontrollers. It uses the Bluetooth 5.0 protocol and 802.11 Wi-Fi protocol for enhanced communication, essentially making it a viable option for IoT and other wireless communication projects. 

The Arduino UNO R4 Minima is an extended version of the UNO board for developers who want basic microcontroller functionalities without additional capabilities. It’s designed for cost-effective Arduino development for DIY learners, students, and hobbyists.  

Retained Form Factor for Smooth Integration and Compatibility with Existing UNO Boards 

UNO R4 Wi-Fi and UNO R4 Minima have retained the UNO R3 form factor. Therefore, it retains the operating voltages (5V) and pinouts, which allows developers to seamlessly integrate their existing projects with the updated version of the microcontrollers. The retained form factor means the Arduino boards can integrate with existing UNO shields, which include:

  • Proto Shield Rev 3 

  • Motor Shield Rev 3

  • 9 Axis Motion Shield

  • Education Shield

  • Ethernet Shield

  • 4 Relays Shield

It makes integrating the boards into existing Arduino UNO ecosystems easier without additional libraries or hardware modules to ensure compatibility. The boards are also compatible with most of the existing libraries for Arduino boards. Additionally, the processor can help solve more complex calculations and perform sophisticated tasks in various applications. 

Thanks to powerful processing capabilities and seamless integration, the Arduino UNO Rev 4 boards are ideal for a wide range of applications such as Robotics, Eco-monitoring, Sensor Integrations, IoT, Automation systems, Home Automation, Education and Learning, DIY electronics, Agriculture, and many others.


References

Mouser Electronics [Internet]

Tags

automationprototypingrobotics

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