If you would like to join the Arduino UNO R4 early access program the team is now looking for authors and those that maintain a library or a popular open source project for Arduino, apply to join the ...

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 ...