#include <LiquidCrystal.h>

//http://agpminiprojects.blogspot.com.es/

                //  Librerias

#include <BH1750FVI.h> // Sensor
#include <Wire.h> // I2C
#include <LCD.h>
#include <LiquidCrystal_I2C.h>

  //Funcion de configuracion de pines del modulo LCD/I2C

#define I2C_ADDR    0x3F // <<----- Agregue su dirección aquí. Buscar desde I2C Scanner
#define BACKLIGHT_PIN     3
#define En_pin  2
#define Rw_pin  1
#define Rs_pin  0
#define D4_pin  4
#define D5_pin  5
#define D6_pin  6
#define D7_pin  7

LiquidCrystal_I2C  lcd(I2C_ADDR,En_pin,Rw_pin,Rs_pin,D4_pin,D5_pin,D6_pin,D7_pin);

uint16_t Light_Intensity=0;

BH1750FVI LightSensor;


void setup() {

   lcd.setBacklightPin(BACKLIGHT_PIN,POSITIVE);
   lcd.begin(16, 2);
   lcd.setCursor(0, 0); // (colunna, fila)
   lcd.print  ("    LUXOMETRO");
   lcd.setCursor(0, 1);
   lcd.print  ("Resolucion: 1LUX");
   delay(1500);
   lcd.clear();
   lcd.setCursor(0, 0);
   lcd.print ("http://agpminiprojects.blogspot.com.es/");
   lcd.setCursor(0, 1);
   lcd.print ("***************************************");
     delay(1000);

    for (int positionCounter = 0; positionCounter < 22; positionCounter++) {               // 22 veces
    lcd.scrollDisplayLeft();                                                               // scroll una posicion a la izquierda
    delay(350);
  }
  delay(800);

    lcd.clear();
    LightSensor.begin();
    LightSensor.SetAddress(Device_Address_H);  //Address 0x5C
    LightSensor.SetMode(Continuous_H_resolution_Mode);
    lcd.print("Iniciando..");
    delay(500);
    lcd.print("..");
    delay(500);
    lcd.print("..");
    delay(500);
    lcd.setCursor(0, 1);
    lcd.print("Sensor BH1750");
    delay(2500);
    lcd.clear();


}


 void loop()

  {
   lcd.setCursor(0, 0);
   lcd.print("Iluminancia (E)=");
   lcd.setCursor(5, 1);
   Light_Intensity = LightSensor.GetLightIntensity();
   lcd.print(Light_Intensity);
   lcd.print("   ");
   lcd.setCursor(11, 1);
   lcd.print("  Lux");
   delay(1000);
 }