Datasheet

Connect the VIN pin to the 5v pin on the Arduino.
(For 3.3v microprocessors, connect the pin marked 3Vo to the 3.3v supply)
Connect the X, Y and Z Signal Outputs:
Connect X, Y and Z to the analog pins as shown below:
Using the Voltage Reference:
For the best possible accuracy and precision, you can use the output of the accelerometer
boards voltage regulator as the analog reference for the Arduino. Connect the 3Vo pin on
the accelerometer board to the AREF pin on the Arduino.
If you connect an external voltage reference to the AREF pin, you must set the
If you connect an external voltage reference to the AREF pin, you must set the
analog reference to EXTERNAL before calling analogRead() (e.g. in your setup()
analog reference to EXTERNAL before calling analogRead() (e.g. in your setup()
© Adafruit Industries http://learn.adafruit.com/adafruit-analog-accelerometer-breakouts Page 6 of 14