NANO UNO Multi-purpose Expansion Board 14 I/O For Arduino

Quick Detail:

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
AREF output
3.3V output

Description:

1. expand all digital IO and analog IO interface. all of them have + and - pole for power input
2. expand I2C interface
3. expand DC power interface for NANO USB interface

Competitive Advantage:
 

1.Convenient & Friendly Customer Service

2. Low Prices Direct From Factory Suppliers
3. Fast Delivery Around The Globe. 
4. High Quality With Global Standards. 
5. 3 year factory warranty
6. Safe shipping way and payment