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

#define DHTTYPE DHT22
#define DHT_PIN 7        // DHT sensor sambung ke digital pin 7
#define PIR_SENSOR_PIN 2 // PIR motion sensor sambung ke digital pin 2
#define RED_LED_PIN 8    // Red LED sambung ke digital pin 8
#define GREEN_LED_PIN 9  // Green LED sambung ke digital pin 9
#define SERVO_PIN 10     // Servo motor sambung ke digital pin 10
#define DHT_TYPE DHT22   

DHT dht(DHT_PIN, DHT_TYPE);
Servo servo;
const int rs = 12, en = 11, d4 = 6, d5 = 5, d6 = 4, d7 = 3;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
bool motionDetected = false; // bool dipakai untuk menyimpan 2 value true dan false

void setup() {
  pinMode(RED_LED_PIN, OUTPUT);
  pinMode(GREEN_LED_PIN, OUTPUT);
  pinMode(PIR_SENSOR_PIN, INPUT);
   lcd.begin(16, 2);
  servo.attach(SERVO_PIN);
  dht.begin();
  Serial.begin(9600);
}

void loop() {
  // membaca motion sensor
  int motionState = digitalRead(PIR_SENSOR_PIN);

  // membaca temperatur dari DHT
  float temperature = dht.readTemperature();
  float f = dht.readTemperature(true); //mendeklarasi variabel temperatur


  // Nge cek Motion
  if (motionState == HIGH && temperature > 24) {
    motionDetected = true; // ketika ada gerakan + suhu melewati 24 derajat celcius, nyala
  lcd.setCursor(0,0); lcd.print("Suhu : "); lcd.print(temperature); lcd.print("C"); 
  lcd.setCursor(0,1); lcd.print("Gerak Terdeteksi"); 
    digitalWrite(RED_LED_PIN, HIGH);    // LED Putih nyala
    digitalWrite(GREEN_LED_PIN, LOW);   // LED Merah mati
    for (int pos = 0; pos <= 180; pos += 1) {
      servo.write(pos);                 // Penggerak Servo
      delay(20);
    }
    for (int pos = 180; pos >= 0; pos -= 1) {
      servo.write(pos);                 // Penggerak Servo
      delay(20);
    }
  } else {
    motionDetected = false;
   lcd.setCursor(0,0); lcd.print("Suhu : "); lcd.print(temperature); lcd.print("C"); 
   lcd.setCursor(0,1); lcd.print("TidakAda Gerakan");
    digitalWrite(RED_LED_PIN, LOW);     // LED Putih mati
    digitalWrite(GREEN_LED_PIN, HIGH);  // LED Merah nyala
    servo.write(90);                    // arah servo ke tengah
  }

  delay(2000); // delay dalam program mebaca
}