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
 