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.

Arduino has announced the new UNO R4 board family for prototyping and learning. The new models feature a faster microcontroller, a USB-C connector, improved power, Wi-Fi and Bluetooth LE, and more.

Homemade 3D-Printed, Handheld Railgun With Arduino Uno R3 Inside Fires Projectiles At 559 MPH. By Quinten Plummer Updated: Oct 20 2015, 02:02 AM EDT .

The Arduino UNO R4, featuring the Renesas RA4M1 (Arm Cortex-M4) running at 48MHz, boasts a 3x performance increase over the UNO R3. Additionally, SRAM has been upgraded from 2kB to 32kB, and flash ...

In the press statement accompanying the launch, Massimo Banzi, co-founder and chairman at Arduino, said that the UNO R4 represents a new chapter to the UNO story, commenting, “With the ever-changing ...

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 ...