After the Arduino GIGA R1 and the Portenta C33, the latest announcement in the Arduino new-board frenzy is the Arduino UNO R4. Expected to be available late May 2023, the UNO R4 is the long-awaited ...

Arduino has partnered with Renesas and Espressif to introduce the latest addition to its UNO family, the UNO R4, which offers a 3x performance improvement over the UNO R3 and is available in a Wi-Fi ...

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.

At that time, Arduino said the R4 would be available in May, but both hobbyists and hippies and even professional developers are not expected to gripe much about a two-month delay. Arduino’s UNO line ...

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 ...