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lolypad_adxl335/lolypad_adxl335.ino

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+/*
+  ADXL3xx
+
+  Reads an Analog Devices ADXL3xx accelerometer and communicates the
+  acceleration to the computer. The pins used are designed to be easily
+  compatible with the breakout boards from SparkFun, available from:
+  http://www.sparkfun.com/commerce/categories.php?c=80
+
+  The circuit:
+  - analog 0: accelerometer self test
+  - analog 1: z-axis
+  - analog 2: y-axis
+  - analog 3: x-axis
+  - analog 4: ground
+  - analog 5: vcc
+
+  created 2 Jul 2008
+  by David A. Mellis
+  modified 30 Aug 2011
+  by Tom Igoe
+
+  This example code is in the public domain.
+
+  http://www.arduino.cc/en/Tutorial/ADXL3xx
+*/
+
+// these constants describe the pins. They won't change:
+const int groundpin = 18;             // analog input pin 4 -- ground
+const int powerpin = 19;              // analog input pin 5 -- voltage
+const int xpin = A3;                  // x-axis of the accelerometer
+const int ypin = A2;                  // y-axis
+const int zpin = A1;                  // z-axis (only on 3-axis models)
+
+void setup() {
+  // initialize the serial communications:
+  Serial.begin(9600);
+
+  // Provide ground and power by using the analog inputs as normal digital pins.
+  // This makes it possible to directly connect the breakout board to the
+  // Arduino. If you use the normal 5V and GND pins on the Arduino,
+  // you can remove these lines.
+  pinMode(groundpin, OUTPUT);
+  pinMode(powerpin, OUTPUT);
+  digitalWrite(groundpin, LOW);
+  digitalWrite(powerpin, HIGH);
+}
+
+void loop() {
+  // print the sensor values:
+  Serial.print(analogRead(xpin));
+  // print a tab between values:
+  Serial.print("\t");
+  Serial.print(analogRead(ypin));
+  // print a tab between values:
+  Serial.print("\t");
+  Serial.print(analogRead(zpin));
+  Serial.println();
+  // delay before next reading:
+  delay(100);
+}