/*-----( Import needed libraries )-----*/
#include <Wire.h> // Comes with Arduino IDE
#include <LiquidCrystal_I2C.h>

/*-----( Declare Constants )-----*/
/*-----( Declare objects )-----*/

// set the LCD address to 0x27 for a 16 chars 2 line display
// A FEW use address 0x3F
// Set the pins on the I2C chip used for LCD connections:
// addr, en,rw,rs,d4,d5,d6,d7,bl,blpol
LiquidCrystal_I2C lcd(0x27, 16, 2); // Set the LCD I2C address
/*-----( Declare Variables )-----*/
//NONE

void setup() /*----( SETUP: RUNS ONCE )----*/
{
  Serial.begin(9600); // Used to type in characters 
  lcd.begin(16,2); 
  // initialize the lcd for 16 chars 2 lines, turn on backlight
  // ------- Quick 3 blinks of backlight ------- ------ 
  for(int i = 0; i< 3; i++)
  {
    lcd.backlight();
    delay(250);
    lcd.noBacklight();
    delay(250);
  }
  lcd.backlight(); // finish with backlight on
  //-------- Write characters on the display ------------------
  // NOTE: Cursor Position: (CHAR, LINE) start at 0 lcd.setCursor(0,0);
  //Start at character 4 on line 0
  lcd.print("Hello, world!");
  delay(1000);
  lcd.setCursor(0,1);
  lcd.print("Hi, POLINES");
  delay(8000);

  // Wait and then tell user they can start the Serial Monitor and type in characters to
  // Display. (Set Serial Monitor option to "No Line Ending")
  lcd.clear();
  lcd.setCursor(0,0);
  //Start at character 0 on line0
  lcd.print("D3IK INFORMATIKA");
  lcd.setCursor(0,1);
  lcd.print("Hello All");
}/*--(end setup )---*/


void loop() /*----( LOOP: RUNS CONSTANTLY )----*/
{
  {
  // when characters arrive over the serial port...
    if (Serial.available()) {
      // wait a bit for the entire message to arrive
      delay(100);
      // clear the screen
      lcd.clear();

      // read all the available characters
      while (Serial.available() > 0) {
        // display each character to the LCD
        lcd.write(Serial.read());
      }
    }
  }
}
/* --(end main loop )-- */


/* ( THE END ) */