#include <LiquidCrystal.h>

// Define LCD pins 
const int rs = 12, en = 11, d4 = 10, d5 = 9, d6 = 8, d7 = 7;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

// Define LED pins
int led1 = 5;  // Blue LED
int led2 = 4;  // Red LED
int led3 = 3;  // Green LED

int powerUsage1 = 10; // Power usage of LED 1
int powerUsage2 = 20; // Power usage of LED 2
int powerUsage3 = 30; // Power usage of LED 3

void setup() {
  // Set up the LCD's number of columns and rows
  lcd.begin(16, 2);
  
  // Initialize LED pins as output
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  
  // Start all LEDs as off
  digitalWrite(led1, LOW);
  digitalWrite(led2, LOW);
  digitalWrite(led3, LOW);
}

void loop() {
  // Turn on LEDs
  digitalWrite(led1, HIGH); 
  digitalWrite(led2, HIGH); 
  digitalWrite(led3, HIGH); 

  // Display LED power usage information on the LCD
  lcd.clear();
  lcd.setCursor(0, 0); 
  lcd.print("LED1: "); 
  lcd.print(powerUsage1); 
  lcd.print("W");

  lcd.setCursor(0, 1); 
  lcd.print("LED2: "); 
  lcd.print(powerUsage2); 
  lcd.print("W");
  
  delay(2000);  // Wait for 2 seconds

  lcd.clear();
  lcd.setCursor(0, 0); 
  lcd.print("LED3: "); 
  lcd.print(powerUsage3); 
  lcd.print("W");

  delay(2000);  // Wait for 2 seconds
}