New Arduino R4 just announced! : r/arduino

SparkFun Arduino UNO R4 WiFi Qwiic Kit Hookup Guide - SparkFun Learn

Let's try running the RL78 family using the Arduino IDE!

Arduino UNO R4 — Arduino Official Store

Arduino UNO R4 — Arduino Official Store

Discover the new Arduino UNO R4: The latest generation of the popular microcontroller is here! - Technik Blog

NEW Arduino UNO Rev4 Board! #newdimensionofmaking, #UNOR4

Just got my R4 : r/arduino

Let's try running the RL78 family using the Arduino IDE!

Arduino UNO R4 — Arduino Official Store

Arduino UNO R4 — Arduino Official Store

Arduino Uno R4 Review: The Maker's Muse

UNO REV 4 Boards - Arduino