#include <LiquidCrystal.h>
#include <DHT.h>
#include <Servo.h>

#define DHTPIN 9
#define DHTTYPE DHT11

LiquidCrystal lcd(2, 3, 4, 5, 6, 7);
DHT dht(DHTPIN, DHTTYPE);
Servo servoMotor;

const int potPin = A0;
const int ledPin = 8;

void setup() {
  lcd.begin(16, 2);
  dht.begin();
  servoMotor.attach(10);
  pinMode(ledPin, OUTPUT);
}

void loop() {
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("KELOMPOK 04");

  float temperature = dht.readTemperature();
  
  if (isnan(temperature)) {
    lcd.setCursor(0, 1);
    lcd.print("Error reading");
    delay(2000);
    return;
  }

  lcd.setCursor(0, 1);
  lcd.print("Temp: ");
  lcd.print(temperature);
  lcd.print(" C");

  int potValue = analogRead(potPin);
  int angle = map(potValue, 0, 1023, 0, 180);
  servoMotor.write(angle);

  if (temperature >= 25) {
    digitalWrite(ledPin, HIGH); // Turn on LED if temperature is above 25°C
  } else {
    digitalWrite(ledPin, LOW); // Turn off LED otherwise
  }

  delay(2000);
}