To connect the accelerometer and receive the reading in the computer and calibrate correspondingly.

Arduino Code:

// In the below code 1 2 3 4 mention the directions respectively.

/* analog 0: accelerometer self test

analog 1: z-axis

analog 2: y-axis

analog 3: x-axis

analog 4: ground

analog 5: vcc

*/

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()

{

int x = analogRead(xpin)-350;

int y = analogRead(ypin)-350;

// Serial.print(x);

// Serial.print("\t");

// Serial.print(y);

// Serial.print("\t");

// Serial.print(analogRead(zpin)-350);

// Serial.println();

if(x>40)

{

// Serial.print("Left");

Serial.print("1");

Serial.println();

}

else if(x<-40)

{

//Serial.print("Right");

Serial.print("2");

Serial.println();

}

else if(y>50)

{

//Serial.print("Top");

Serial.print("3");

Serial.println();

}

else if(y<-50)

{

//Serial.print("Bottom");

Serial.print("4");

Serial.println();

}

delay(500);

}