It also has fewer pins than other boards, and its USB port is somewhat outdated (who ... Ranked Worst To Best The board that started Arduino's Nano family, the Nano is a classic platform ideal ...
Although a “CommsLink” module providing an RS-232 port was available back in the day, it’s become hard to find, inspiring [James] to design a completely new module based on an Arduino Nano.
The SATURN NITRO is PIC32MK development board that closely follows the Arduino Nano form factor, but with much beefier specs ...