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.Customs & duties included in the price

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Arduino UNO R4 Minima [ABX00080] - Next-Generation 32-bit Microcontroller Board with Expanded Memory, Enhanced I/O, and Faster Performance for Advanced Projects

Arduino UNO R4 Minima [ABX00080] - Next-Generation 32-bit Microcontroller Board with Expanded Memory, Enhanced I/O, and Faster Performance for Advanced Projects

Product ID: 540259632

Details

Brand
Arduino
CPU speed
48 MHz
Installed RAM memory size
32 KB
Memory storage capacity
256 KB
Model name
ARDUINO UNO R4

⚡48 MHz high-speed CPU

💾256 KB expanded memory

🔌USB-C & multi-protocol I/O

NZ$91

Duties & taxes included

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Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Elevate your innovation with the Arduino UNO R4 Minima — where speed meets precision!

PRO LEVEL DEBUGGING - Integrated SWD connector makes programming and troubleshooting a breeze.
COMPACT LIGHTWEIGHT - At just 20 grams and sleek dimensions, it fits perfectly into any advanced build.
SEAMLESS CONNECTIVITY - USB-C port plus CAN, UART, I2C, and SPI protocols keep you plugged into every device.
PRECISION AMPLIFICATION - Built-in 12-bit DAC and AMP OP deliver unmatched signal accuracy.
NEXT GEN 32 BIT POWERHOUSE - Harness the Renesas RA4M1 for lightning-fast, precise control in your projects.

The Arduino UNO R4 Minima is a cutting-edge 32-bit microcontroller board featuring a 48 MHz Renesas RA4M1 CPU, 256 KB memory, and advanced I/O options including USB-C and multiple communication protocols. Designed for professional-grade project development, it offers integrated debugging tools and precision analog components, all in a compact, lightweight form factor favored by makers and engineers alike.

Specifications

ASIN	B0C78K4CD4
Best Sellers Rank	#28,661 in Computers ( See Top 100 in Computers ) #364 in Single-Board Computers
Brand	Arduino
Built-In Media	CAN-BUS, surgical amplifier, SWD connector
CPU speed	48 MHz
Compatible Devices	Personal Computer
Connectivity Technology	USB-C
Connectivity technology	USB-C
Country of Origin	Italy
Customer Reviews	4.6 out of 5 stars 560 Reviews
External Testing Certification	Não aplicável
Global Trade Identification Number	07630049203907
Installed RAM memory size	32 KB
Item Dimensions L x W x H	13L x 20W x 27H centimeters
Item Weight	20 Grams
Manufacturer	Arduino
Memory Storage Capacity	256 KB
Memory storage capacity	256 KB
Mfr Part Number	ABX00080
Model Name	ARDUINO UNO R4 MINIMA BOARD
Model Number	ABX00080
Model name	ARDUINO UNO R4 MINIMA BOARD
Operating System	Não aplicável
Processor Brand	Atmel
Processor Count	1
Processor Speed	48 MHz
RAM Memory Installed	32 KB
RAM Memory Technology	SRAM
Total Usb Ports	1
Wireless Compability	Bluetooth

Reviews

S**O

Atendeu as expectativas

Excelente para desenvolvimento de habilidades em robótica e programação para crianças.

6.01.2026

M**T

works well

great new Arduino version

29.06.2026

D**N

Modern version of the Uno

Modern version of the Uno but not suitable for beginners who might blow up the processor, as unlike the R3, the chip is soldered down. Other than that it's ideal for my project work.

25.09.2025

C**A

Buena idea eso de quitar los leds del centro.

Muy de agradecer su conexión USB-C Rápido en ejecución aunque en poco más lento compilando Buena idea eso de poner una protección de plástico en la parte trasera de la placa Para los que queremos ahorro de energía es buena idea quitar los leds del centro Se echan de menos pines para insertar directamente en las ProtoBoard

9.04.2025

R**S

Buena opción para practicas

Excelente para proyectos y prácticas. El puerto USB C facilita muchas cosas

22.05.2025

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NZ$91

Duties & taxes included

In stock

Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to New Zealand.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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