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.

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.

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.

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.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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UNO R4 Minima [ABX00080]

Product ID: 536795231

Details

Brand
Arduino
Connectivity Technology
CAN I2C SPI
Memory Storage Capacity
256 KB
Model Name
Arduino UNO R4
Ram Memory Installed Size
32 KB

⚡32 KB SRAM for smooth multitasking

🔌USB-C connectivity for fast, modern interfacing

🧠256 KB flash memory for complex projects

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Rp841545

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Description

🚀 Elevate your innovation game with the Arduino UNO R4 Minima—where power meets portability.

LIMITLESS CREATIVITY - First-level DAC output and 256 KB flash memory unlock endless project possibilities—be the maker everyone envies.
COMPACT LIGHTWEIGHT - At just 20 grams and pocket-sized, it’s the ultimate portable powerhouse for on-the-go innovation.
SEAMLESS COMPATIBILITY - Works flawlessly with all previous Arduino UNO shields and accessories—upgrade without compromise.
VERSATILE CONNECTIVITY - Supports USB-C, CAN, UART, I2C, SPI, and Bluetooth—connect and control like a pro.
NEXT GEN PROCESSING POWER - Powered by a Renesas processor, delivering reliable performance for your most ambitious builds.

The Arduino UNO R4 Minima is the latest evolution in the Arduino Uno family, featuring a Renesas processor, 32 KB SRAM, and 256 KB flash memory. It offers broad compatibility with existing Arduino shields and accessories, modern USB-C connectivity, and versatile communication protocols including Bluetooth. Lightweight and compact, it’s designed for professionals and makers seeking a powerful yet portable microcontroller platform to bring their projects to life.

Specifications

ASIN	B0C78K4CD4
Best Sellers Rank	#92 in Single Board Computers (Computers & Accessories)
Brand	Arduino
Built-In Media	Item
Compatible Devices	Previous Arduino UNO shields and accessories
Connectivity Technology	CAN, I2C, SPI, UART, USB
Customer Reviews	4.6 4.6 out of 5 stars (553)
External Testing Certification	Não aplicável
Global Trade Identification Number	07630049203907
Item Dimensions L x W x H	5.12"L x 7.87"W x 10.63"H
Item Weight	20 Grams
Manufacturer	Arduino
Memory Storage Capacity	256 KB
Mfr Part Number	ABX00080
Model Name	Arduino UNO R4 Minima
Model Number	ABX00080
Operating System	Não aplicável
Processor Brand	Renesas
Processor Count	1
RAM Memory Installed	32 KB
RAM Memory Technology	SRAM
Total Usb Ports	1
Warranty Description	as described in the official website
Wireless Compability	Bluetooth

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