That said, we'll be focusing on the Uno R3 in this discussion ... also the tiniest ever produced by Arduino. It comes in a light seven-gram weight, with dimensions of 45 mm (length) by 18 mm ...

[Rafael] just made a little library that allows you to interface these modules to the Atmega328p-based Arduino UNO in order to gain some memory space. His work was actually based on the great ...