#include <Wire.h>  // Comes with Arduino IDE
#include <LiquidCrystal_I2C.h>

// set the LCD address to 0x20 for a 16 chars 2 line display
// 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, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE);  // Set the LCD I2C address

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 and 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(3,0); //Start at character 4 on line 0
      lcd.print("Hello, world!");
      delay(1000);
      lcd.setCursor(2,1);
      lcd.print("From YourLCD");
      delay(1000);     
     lcd.clear();     
      lcd.setCursor(0,2);
      lcd.print("PRO Micro");
      lcd.setCursor(0,3);
      delay(2000);       
      lcd.clear();
      lcd.print("DVROBOT.RU");
      delay(8000);
          

}/*--(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 ) */