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.

Mario Pucci took an Arduino Uno running the Python OS and added the NFC shield which detects the “records” to be played. It uses the capability of NFC (near-field communications) to detect RF tags ...

A demonstration involves connecting a Logitech C920-C USB camera to Gizmo 2 for capturing video. A vehicle control system consists of the Gizmo 2 running Arch Linux as well as an Arduino Uno.