Arduino, the world's leading open-source hardware and software platform, today announced the launch of its next-generation UNO board, a significant re ...

Details of Arduino UNO R4 32-bit board revealed, including the 12x8 RED LED matrix on board and connectivity for IoT applications.

Arduino UNO R4 “In details, the new Arduino UNO R4 features the Renesas RA4M1 (Arm Cortex-M4) running at 48MHz, which provides a 3x increase over the UNO R3.

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.

A DIYer has pieced together a railgun of 3D printed pieces and other parts. The 3D printed prototype made by the U.S Navy is considered legit.