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

LiquidCrystal_I2C lcd(0x27, 16, 2);  // Initialize the LCD with I2C address 0x27

const int relay1Pin = 15;  // GPIO pin for relay 1
const int relay2Pin = 2;  // GPIO pin for relay 2
const int relay3Pin = 4;  // GPIO pin for relay 3

void setup() {
  lcd.begin(16, 2);  // Initialize the LCD with 16 columns and 2 rows
  lcd.print("Relay Control");  // Display a message on the LCD
  delay(2000);
  
  pinMode(relay1Pin, OUTPUT);  // Set relay pins as OUTPUT
  pinMode(relay2Pin, OUTPUT);
  pinMode(relay3Pin, OUTPUT);
}

void loop() {
  lcd.clear();  // Clear the LCD screen
  lcd.setCursor(0, 0);  // Set the cursor to the first column of the first row
  lcd.print("Relay 1: ON");  // Display relay status on the LCD
  
  digitalWrite(relay1Pin, HIGH);  // Turn on relay 1
  delay(2000);
  
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Relay 1: OFF");
  
  digitalWrite(relay1Pin, LOW);  // Turn off relay 1
  delay(2000);
}
  // Repeat the same steps for relay 2 and relay 3
  
  //