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.

To offer a consistent developer experience between the 8-bit UNO R3 and 32-bit UNO R4, significant efforts are being made to ensure maximum backward compatibility with existing code examples and ...

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.

Arduino Uno - The World's Most ... Preserving the standard form factor, shield compatibility and 5 V power supply of the popular UNO R3, the UNO R4 adds a 32-bit microcontroller with up to 16x 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 ...

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 .