arduino-0018-linux-x64

arduino-0018-linux-x64/examples/Sensors/ADXL3xx/ADXL3xx.pde

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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
+
+ http://www.arduino.cc/en/Tutorial/ADXL3xx
+
+ 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 26 Jun 2009
+ by Tom Igoe 
+
+*/
+
+// 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 = 3;                   // x-axis of the accelerometer
+const int ypin = 2;                   // y-axis
+const int zpin = 1;                   // 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);
+}