Uno r3 atmega 328p au ch340g. Also nano is breadboard friendly while uno is not. Arduino nano2 sch created date.
Just like a real arduino only smaller.
The nano board weighs around 7 grams with dimensions of 4 5 cms to 1 8 cms l to b. It lacks only a dc power jack and works with a mini b usb cable instead of a standard one. The arduino nano is a small complete and breadboard friendly board based on the atmega328 arduino nano 3 x. This article discusses about the technical specs most importantly the pinout and functions of each and every pin in the arduino nano board.
