#include <Wire.h>
#include <LiquidCrystal_I2C.h>

// Create an LCD instance with I2C address 0x27 and dimensions 20x4
LiquidCrystal_I2C lcdScreen(0x27, 20, 4);

void setup() {
  // Set custom I2C pins before initializing communication
  Wire.setSDA(8);
  Wire.setSCL(9);
  Wire.begin();  // Start I2C communication with specified pins

  // Start LCD and turn on the backlight
  lcdScreen.init();
  lcdScreen.backlight();

  // Output welcome and info text
  lcdScreen.setCursor(0, 0);
  lcdScreen.print("Welcome to IoT");

  lcdScreen.setCursor(0, 1);
  lcdScreen.print("College of CSIT");

  lcdScreen.setCursor(0, 2);
  lcdScreen.print("Reham ageeli");

  lcdScreen.setCursor(0, 3);
  lcdScreen.print("IT department");
}

void loop() {
  // Loop runs continuously, slight delay to reduce CPU load
  delay(20);
}