1. 14 I/O Pin (servo type with GND, power and signal)
2 .8 analog Pin with power output and GND
3 .6 PWM Pin
4. 1 Servo power input
5. I2C expansion Pin
6 .AREF output
7. 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

photos:

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

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