But it's also worth noting that only six out of the eight analog pins on the Nano can be used as digital pins, compared to all six of Uno's analog pins. Additionally, the Uno features two extra ...

[Mark] from SpikenzieLabs was wrapping up a project using an Arduino the other day and found himself in need of a few more I/O pins. He could have added extra circuitry to the project, but he decid… ...

Like the Nano, the Micro's size and male pin headers make it perfect for prototyping with a breadboard. However, Arduino also offers this board without headers pre-soldered.