#include <Wire.h> 

#define ADDRESS 0x1E 

void setup(){
  Serial.begin(9600); // initialise Serial communication
  Wire.begin();
  
  Wire.beginTransmission(ADDRESS); 
  Wire.write(0x02); //select mode register
  Wire.write(0x00); //continuous measurement mode
  Wire.endTransmission();
}

void loop() {  
  long x,y,z;

  Wire.beginTransmission(ADDRESS);
  Wire.write(0x03); //select register 3, X MSB register
  Wire.endTransmission();
 
 //Read data from each axis, 2 registers per axis
  Wire.requestFrom(ADDRESS, 6);
  if(Wire.available()) {
    x = Wire.read() * 256;
    x += Wire.read(); 
    z = Wire.read() * 256;
    z += Wire.read(); 
    y = Wire.read() * 256;
    y += Wire.read(); 
  }
  float B = sqrt(x*x + y*y + z*z); 
  // print the three components of the field on the Serial monitor
  // as well as its intensity in arbitrary units
  // Read the data sheet of the digital compass to convert the
  // reading in Gauss or Tesla
  Serial.print(x);
  Serial.print(" ");
  Serial.print(y);
  Serial.print(" ");
  Serial.print(z);
  Serial.print(" ");
  Serial.println(B);
  delay(250);
}