ARDUINO UNO R4
The new dimensionof making
Your user-friendly, accessible UNO just took a quantum leap forward: Arduino UNO R4 is a 32-bit microprocessor offering more speed, memory, connectors and connectivity options than any version of the board before.
UNO R4 MINIMAUNO R4 WiFi
ARDUINO UNO R4
The new dimensionof making
Your user-friendly, accessible UNO just took a quantum leap forward: Arduino UNO R4 is a 32-bit microprocessor offering more speed, memory, connectors and connectivity options than any version of the board before.
UNO R4 MINIMAUNO R4 WiFiYour next amazing project is just a step away!
Dive into exciting projects with the UNO R4 WiFi and Minima.
Get inspired, start building, and let your imagination lead the way.
LED matrix in action
Create stunning LED animations with Arduino UNO R4 WiFi (by Kamitronix). Design, download and watch your custom animation come to life.
DISCOVER MOREDJ CONTROLLER
Discover how to build a DIY DJ controller with an Arduino UNO R4 Minima (by Tigris Li). Fun, easy, and customizable!
DISCOVER MOREDRONE REMOTE CONTROLLER
Arduino UNO R4 WiFi enables precise, reliable drone control via custom remote for magic shows.
DISCOVER MOREPortable Starmap
SMART RGB LIGHTING
Transform spaces with the combination of Arduino UNO R4 WiFi and Minima for dynamic and stunning effects.
DISCOVER MORECreate stunning LED animations with Arduino UNO R4 WiFi (by Kamitronix).
Design, download and watch your custom animation come to life.
The best prototyping and learning tool
Over a decade ago, the UNO transformed makers into innovators. Now, the UNO R4 brings even greater power to you and the community. For the past 13 years, millions have used tech to create wonderful things. Today, it's time to start a new chapter. Discover inspiring stories in the maker space.
The best prototyping
and learning tool
Over a decade ago, the UNO transformed makers into innovators. Now, the UNO R4 brings even greater power to you and the community. For the past 13 years, millions have used tech to create wonderful things. Today, it's time to start a new chapter. Discover inspiring stories in the maker space.
Pick the best UNO R4 for your needs
Choose between the lightweight UNO R4 Minima and the full-fledged UNO R4 WiFi depending on your skill level, general budget and the project you have in mind.
UNO R4 Minima
Focused on simplicity, it offers essential functions that make it ideal for prototyping and basic learning.
UNO R4 WiFi
Perfect for IoT and wireless projects with its ESP32-S3 for WiFi/BLE and a 12x8 onboard LED matrix for stunning visual displays.
Both boards maintain the classic form factor, shield compatibility, 5V power supply, and enhanced memory with a 32-bit Arm® Cortex®-M4. Perfect for any prototyping needs.
Double up on innovation
Choose between the lightweight UNO R4 Minima and the full-fledged UNO R4 WiFi depending on your skill level, general budget and the project you have in mind.
Both include limitless ease of use and the support of our stellar community.
Explore the new dimension of making.
