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Create stunning LED animations with Arduino UNO R4 WiFi (by Kamitronix). Design, download and watch your custom animation come to life. Discover how to build a DIY DJ controller with an Arduino UNO R4 Minima (by Tigris Li). Fun, easy, and customizable! Arduino UNO R4 WiFi enables precise, reliable drone control via custom remote for magic shows.
Arduino UNO R4 WiFi The WiFi variant includes all the features of the Minima plus built-in WiFi and Bluetooth connectivity, a 12×8 LED matrix display, and additional pins for advanced functionality. This version is perfect for IoT projects, wireless communication, and projects that need visual feedback without external components.
Learn how to install, program and use Arduino Uno R4 Minima/WiFi boards with Arduino IDE. Follow the steps to run Hello World and web server examples on Arduino Uno R4.
The Arduino UNO R4 WiFi is designed around the 32-bit microcontroller RA4M1 from Renesas while also featuring a ESP32 module for Wi-Fi® and Bluetooth® connectivity. Its distinctive 12x8 LED matrix makes it possible to prototype visuals directly on the board, and with a Qwiic connector, you can create projects plug-and-play style.
Learn about the latest Arduino UNO series, with a 32-bit microcontroller, USB-C, RTC, and more. Compare the Minima and Wi-Fi variants and find out how to use them in your projects.
The Arduino Uno R4 series features a new Arm-powered heart and the same CPU across two boards. The most basic board is the $20 Arduino Uno R4 Minima, essentially the next generation Arduino Uno ...
The Arduino Uno R4 WiFi is the premium version of the new UNO R4 line. It combines the powerful Renesas RA4M1 microcontroller with an ESP32-S3 module, offering advanced Wi-Fi and Bluetooth capabilities, plus a built-in LED matrix.
The new Arduino UNO R4 has two variants; UNO R4 Minima (without the wireless module) and UNO R4 WiFi (with WiFi plus Bluetooth module). Both are identical in terms of pinout, form factor, and specifications. The only difference is the presence of the ESP32 module and onboard LED Matrix in R4 WiFi. (Read more differences)
Create advanced connected projects with the Arduino UNO R4 WiFi—featuring a Renesas MCU, built-in Wi-Fi, and Bluetooth®. Start building today!
The Arduino UNO R4 Wifi is the latest revision of the iconic Arduino UNO microcontroller, sporting the standard UNO form factor, shield compatibility, 5V operating voltage, and outstanding robustness. This 32-bit microcontroller includes Wi-Fi® and Bluetooth® wireless technology, a Qwiic connector, and a 12×8 red LED matrix.