Thanks to them, you can significantly extend the functionality of your projects. New on-board components - The Uno R4 version has several new on-board components, such as a 12-bit digital-to-analog converter (DAC), CAN BUS, OP AMP and SWD debug port.This means that all overlays and designs can be easily transferred to the new version of the board. Hardware backward compatibility - Arduino Uno R4 has the same pinout and logic voltage (5 V) as Arduino Uno R3.The main features of the original Arduino Uno R4 modules Components for 3D printers construction.Laser cutting machines - engravers, plotters.
