IO Expansion Shield For Arduino Nano is specifically designed to facilitate an easy connection between Expansion Shield For Arduino Nano and many other devices. In essence, it expands for the Arduino Nano controller to link those devices in a simple and trouble-free manner.it will be the Nano all pins of derivation, convenient connection and we do the experiments. It labels for Arduino Nano version 3.0, however, you can still use this adapter for the older version. You can use this adapter to easily hook up Arduino Nano to the outside world via hook-up wires. You may also looking for :