Its bootloader only consumes 2 KB of the flash ... Despite the differences in size and microcontroller, the Arduino Nano and Micro share some similar pinout configurations. They both have two ...
The Arduino Nano itself is the most basic and oldest ... On the Uno, only 0.5kB of flash memory is used up by the bootloader, unlike the 2kB used on the Nano. This means the Uno has more memory ...