Fan speed temperature regulator

#include <LiquidCrystal.h>

// Initialize the LCD display
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

// Define the fan and temperature sensor pin numbers
const int fanPin = 9;
const int tempPin = A1;

void setup() {
  lcd.begin(16, 2); // Initialize the LCD with 16x2 characters
  pinMode(fanPin, OUTPUT);
  pinMode(tempPin, INPUT);

  Serial.begin(9600);

  digitalWrite(fanPin, LOW); // Start with the fan off
  lcd.print("Fan Status: OFF");
  lcd.setCursor(0, 1);
  lcd.print("LOADING ...");
  for (int i = 0; i < 16; i++) {
    delay(1500);
    lcd.scrollDisplayLeft();
  }
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("GROUP 6");

}

void loop() {
  lcd.setCursor(0, 0);

  Serial.print("ITS WORKING");

  // Read temperature from the sensor
  int temperature = analogRead(tempPin);
  float voltage = temperature * (5.0 / 1023.0);
  float celsius = (voltage) * 100.0;

  // Adjust the fan speed based on the temperature
  int fanSpeed = 0; // Default fan speed

if (celsius <= 28.0) {
  fanSpeed = 0; // Fan off
} else if (celsius <= 30.0) {
  fanSpeed = 64; // 25% fan speed (out of 255)
} else if (celsius <= 32.0) {
  fanSpeed = 128; // 50% fan speed (out of 255)
} else if (celsius <= 34.0) {
  fanSpeed = 192; // 75% fan speed (out of 255)
} else {
  fanSpeed = 255; // 100% fan speed (out of 255)
}

  analogWrite(fanPin, fanSpeed);

  // Display the temperature at the top row
  lcd.print("Temperature: ");
  lcd.print(celsius);
  lcd.print(" C");

  // Display the fan speed at the bottom row
  lcd.setCursor(0, 1);
  lcd.print("Fan Speed: ");
  lcd.print(map(fanSpeed, 0, 255, 0, 100));
  lcd.print("%");

  delay(500); // Update the status every 1 second
}