The Arduino UNO R4 boasts a 3x performance increase over the UNO R3 and , in addition, SRAM has been upgraded from 2kB to 32kB, and flash memory from 32kB to 256kB to support more complex projects.

The Elektor design from a few years ago was essentially an "evolved" take on the Arduino Uno R3 board, with an identical form factor as the Uno but based on the ATmega328PB-AU (see the "B"). As ...

Massimo Banzi, co-founder and chairman of Arduino, announced the UNO R4 during Arduino Day 2023. He believes the UNO R4 is a new chapter in the UNO story and the perfect way to move forward, ...

The UNO R3’s 8-bit architecture remains highly relevant for teaching the fundamentals of computer science. In terms of project applications, the UNO R4 WiFi board is well-suited for creative projects ...

The Arduino Uno R4 is to have a Renesas RA4M1 32-bit Arm Cortex-M4 microcontroller, and there are “no plans to discontinue the popular Uno R3” , according to Arduino, which estimates that R4 will ...