// include the library code:
#include <LiquidCrystal.h>

// initialize the library by associating any needed LCD interface pin
// with the arduino pin number it is connected to
const int rs = 2, en = 3, d4 = 4, d5 = 5, d6 = 11, d7 = 12;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

void setup() {
  // set up the LCD's number of columns and rows:
  lcd.begin(16, 2);
  
  // initialize the serial communications:
  Serial.begin(9600);
  
  pinMode(9, OUTPUT);
  analogWrite(9, 105); //change 105 to adjust contrast

  // set up the LCD's number of columns and rows:
  lcd.begin(16, 2);
}

void loop() {
   // 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();
   int i = 0;
    // read all the available characters
        while (Serial.available() > 0) {
        i++;
          if (i==17) {
            lcd.setCursor(0, 1);
        }
        // display each character to the LCD
        lcd.write(Serial.read());
    }
    delay (5000);
    // clear the screen
    lcd.clear();
  }
}