Nano IO Expansion Shield is specifically designed to facilitate an easy connection between Nano and many other devices. In essence, it expands the Nano controller to link those devices in a simple and trouble free manner. It is a perfect companion of Nano breadboard and compatible with both Arduino Nano v2.x and v3.x.
This expansion shield provides:
*14 I/O Pin (servo type with GND, power and signal)
*8 analog Pin with power output and GND
*6 PWM Pin
*1 Servo power input
*I2C expansion Pin