Bluetooth weather station for beginners with Arduino

int lightPin = 0; // input number to which the photoresistor is connected
void setup ()
{
}
void loop ()
{
int light = analogRead (lightPin);
}

#include
#include
#include
Adafruit_BMP085_Unified bmp = Adafruit_BMP085_Unified (10085);
void setup (void)
{
/ * Initialise the sensor * /
if (! bmp.begin ())
{
/ * There was a problem detecting the BMP085 ... check your connections * /
Serial.print ("Ooops, no BMP085 detected ... Check your wiring or I2C ADDR!");
while (1);
}
}
void loop (void)
{
sensors_event_t event;
bmp.getEvent (& event);
if (event.pressure)
{
float pressure = event.pressure;

float temperature;
bmp.getTemperature (& temperature);

float seaLevelPressure = SENSORS_PRESSURE_SEALEVELHPA;
float altitude = bmp.pressureToAltitude (seaLevelPressure, event.pressure);
}
}

/ * The example shows the use of the LCD screen 1602. * /
#include
#include
LiquidCrystal_I2C lcd (0x27.16.2); // Parameters: Device address, screen size
void setup ()
{
lcd.init ();
// Initialize lcd
lcd.backlight ();
// Turn on the backlight
// The cursor is at the beginning of line 1
lcd.print ("Hello");
// print the text
lcd.setCursor (0, 1);
// Set the cursor to the beginning of 2 lines
lcd.print ("World!");
// print the text
}
void loop ()
{ }
// More details: http://xrobot.by/modules/lcd_4_4#ixzz3vQXoFKOj