//------------- Code Starts Here ----------------------------

//-----------------------------------------
//Published by IntroductionToArduino.com
//Created by Paul Illsley (www.paulillsley.com)
//Please use and share so others can enjoy
//-----------------------------------------

// including the LiquidCrystal library
#include <LiquidCrystal.h>

// assigning LCD pins to arduino pin numbers 
const int rs = 12;
const int en = 11;
const int d4 = 5;
const int d5 = 4;
const int d6 = 3;
const int d7 = 2; 
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

// creating an integer (int) variable called “light” to hold the photoresistor value
int light;

void setup() {
  // declaring the number of columns and rows in the LCD (16 characters and 2 rows)
  lcd.begin(16, 2);
  
  // print text to the LCD. This will stay on the top line
  lcd.print("Brightness:");
}

void loop() {
  // reading the value from pin A1 (the photoresistor) and placing it in "light"
  light = analogRead(A1);
  
  // set the cursor location to column 0, line 1 (this is the second line since the first line would be 0,0)
  lcd.setCursor(0, 1);
  
  // print the photoresistor value 
  lcd.print(light);

  // delay 500 milliseconds (0.5 seconds) to make the display easier to read (this delay is optional)
  delay(500); 
  
}
//------------- Code Stops Here ----------------------------