Teyleten Robot Nano IO Shield Nano IO Expansion Board for Arduino Nano 5pcs

You can use this adapter to easily hook up for arduino for Nano to an outside world via hook up wires. It lables for Ar-duino for Nano version 3.0, however you can still use this adapter for the older version (just have to remember that A0-A7 are in the reverse order). No soldering required. Size is about 2.21" x 1.65" x 0.50" (L* W* H). Designed for Ar-duino for Nano V3.0: The item is a terminal expansion adapter, working very well for prototyping Ar-duino for Nano projects.