https://www.facebook.com/groups/arduinotaipei/

gistfile1.txt

/*****************************************************************************/
//	Function:  Get the accelemeter of the x/y/z axis.
//  Hardware:  Grove - 3-Axis Analog Accelerometer
//	Arduino IDE: Arduino-1.0
//	Author:	 Frankie.Chu
//	Date: 	 Jan 11,2013
//	Version: v1.0
//	by www.seeedstudio.com
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Lesser General Public
//  License as published by the Free Software Foundation; either
//  version 2.1 of the License, or (at your option) any later version.
//
//  This library is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
//  Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with this library; if not, write to the Free Software
//  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
//
/*******************************************************************************/

#include "ADXL335.h"

ADXL335 accelerometer;
int x, y, z, pz;
void setup()
{
  Serial.begin(9600);
  accelerometer.begin();
  pinMode(13, OUTPUT);
  getVal(10);

}
void getVal(int t) {
  accelerometer.getXYZ(&x, &y, &z);
  pz = z;
  if (--t > 0)getVal(t);
}
void loop()
{

  accelerometer.getXYZ(&x, &y, &z);
  digitalWrite(13, abs(z - pz) >= 10 ? HIGH : LOW);

  Serial.println("value of X/Y/Z: ");
  Serial.println(x);
  Serial.println(y);
  Serial.println(z);
  float ax, ay, az;
  accelerometer.getAcceleration(&ax, &ay, &az);
  Serial.println("accleration of X/Y/Z: ");
  Serial.print(ax);
  Serial.println(" g");
  Serial.print(ay);
  Serial.println(" g");
  Serial.print(az);
  Serial.println(" g");
  delay(500);
}