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Arduino

Q: What is the main difference between the Uno R4 WiFi and the Uno R4 Minima?

The Uno R4 WiFi includes an on-board ESP32-S3 for Wi-Fi and Bluetooth, plus an LED matrix. The Uno R4 Minima is a more cost-effective version without these features.

Q: Is the Arduino Uno R4 series backward compatible with my old projects?

Yes, the Uno R4 boards maintain the same form factor, pinout, and 5V operating voltage as the UNO R3, ensuring compatibility with your existing shields and projects.

Q: What is the Qwiic connector for?

The Uno R4 WiFi's Qwiic connector allows for quick plug-and-play integration with a vast ecosystem of I2C sensors and modules, including our own Arduino Modulinos.

Q: How does the Uno R4 compare to the original Uno R3?

The Uno R4 is a significant upgrade with a faster 32-bit processor, more memory, and new features like a DAC and CAN Bus, while keeping the classic 5V operating voltage.

Product ID: 537152062

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Details

Brand
Arduino
Model Name
Arduino UNO R4
Connectivity Technology
Bluetooth USB
Included Components
Industrial
Operating System
FreeRTOS

⚡Dual-core Renesas RA4M1 + ESP32-S3

📶Wi-Fi & Bluetooth 5.0 connectivity

🔌USB-C + CAN + Qwiic Connector

Frequently Bought Together

Arduino UNO R4 WiFi [ABX00087] – Renesas RA4M1 + ESP32-S3, Wi-Fi, Bluetooth, USB-C, CAN, 12-bit DAC, OP AMP, Qwiic Connector, 12x8 LED Matrix for Advanced IoT & Embedded 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

Arduino Uno REV3 [A000066] – ATmega328P Microcontroller, 16MHz, 14 Digital I/O Pins, 6 Analog Inputs, 32KB Flash, USB Connectivity, Compatible with Arduino IDE for DIY Projects and Prototyping

Description

🚀 Elevate your IoT game with the Arduino UNO R4 WiFi — where power meets precision and connectivity.

DYNAMIC VISUAL FEEDBACK - Built-in 12x8 LED matrix lets your projects speak visually—perfect for real-time status and interactive displays.
PRECISION ANALOG CONTROL - Leverage the 12-bit DAC and OP-AMP for crystal-clear audio, sensor interfacing, and analog signal mastery.
NEXT GEN CONNECTIVITY PORTS - Experience ultra-efficient programming and industrial-grade communication with USB-C, CAN bus, and Qwiic ease.
SEAMLESS WIRELESS INTEGRATION - Stay effortlessly connected with robust Wi-Fi and Bluetooth 5.0 for smart devices and remote sensors.
POWERHOUSE DUAL CORE PERFORMANCE - Harness the combined might of ARM Cortex-M4 and ESP32-S3 for lightning-fast IoT and AI edge projects.

The Arduino UNO R4 WiFi combines a Renesas RA4M1 ARM Cortex-M4 microcontroller with an ESP32-S3 chip, delivering dual-core processing power optimized for advanced IoT and embedded applications. Featuring Wi-Fi and Bluetooth 5.0, USB-C for fast programming, CAN bus for industrial communication, and a Qwiic connector for easy sensor integration, it supports complex wireless and wired projects. Its 12-bit DAC and OP-AMP enable high-precision analog output, while the integrated 12x8 LED matrix provides immediate visual feedback, making it a versatile development board for professionals pushing the boundaries of smart device innovation.

Specifications

RAM	SRAM
Wireless Type	Bluetooth
Brand	Arduino
Series	Arduino UNO R4 WiFi
Item model number	ABX00087
Operating System	FreeRTOS
Item Weight	0.705 ounces
Product Dimensions	3.15 x 7.87 x 10.24 inches
Item Dimensions LxWxH	3.15 x 7.87 x 10.24 inches
Processor Brand	Renesas
Number of Processors	1
Manufacturer	Arduino S.r.l.
ASIN	B0C8V88Z9D
Date First Available	June 21, 2023

Have a Question? See What Others Asked

What is the main difference between the Uno R4 WiFi and the Uno R4 Minima?

Is the Arduino Uno R4 series backward compatible with my old projects?

What is the Qwiic connector for?

How does the Uno R4 compare to the original Uno R3?

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