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arduino Nano V3.0 Shield I/O Extension Board For attaching Sensors
The Sensor Shield makes your connections with the Arduino Nano much easier.
It is compatible with Arduino Nano 2.0 and 3.0. Since it has the holes in the same place as the Arduino Uno
The shield has up to 8 analogue ports, 13 digital I/O pins and Aref with 3 pin connectors (GND, Vcc, Signal).
It also has independent I2C port with 4pins (SDA, SCL, GND and Vcc) and UART (Rx, Tx, Vcc and GND).
There is a reset button on board and a female jack for external power supply.
Very nice development shield for you Nano.
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