The board itself also has some differences from the original Arduino Uno. First of all ... also means no USB programming), a different pin layout (Arduino shields likely won’t fit) and more ...

This feature isn’t exclusive to the Leonoardo, as [Michael] explains in a build he sent in – the lowly Arduino Uno can also serve ... to have your old Arduino board gain some of the features ...

Arduino has shipped 10 million of its Uno boards since its introduction in 2010, and has produced a collector’s item to celebrate. True you pay more (€40), but it comes in a nicer box, in a ...