#include <Servo.h>
#include <DHT.h>
int buzzPin = 2;
int trigPin = 13;
int echoPin = 12;
int servoPin = 9;
int ledPin = 4;
int dhtpin = 7;
float celcius;
Servo myservo;
long duration, distance;
int analogValue;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(ledPin, OUTPUT);
  pinMode(buzzPin, OUTPUT);
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
  myservo.attach(9);
}

void loop() {
  // put your main code here, to run repeatedly:
  analogValue = analogRead(A0);
  celcius = 1 / (log(1/ (1023. / analogValue - 1 )) / BETA + 1.0 / 298.15) - 273.15;
  digitalWrite(trigPin,LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);

  duration = pulseIn(echoPin, HIGH);
  distance = duration * 0.034/2;

  Serial.print("Jarak : ");
  Serial.print(distance);
  Serial.print("\nTemperature : ");
  Serial.print(celcius);
  Serial.println();
  delay(1000);

  if(distance < 50){
    if(celcius < 36){
      digitalWrite(ledPin, LOW);
      noTone(buzzPin);
      myservo.write(90);
    }
    else{
      digitalWrite(ledPin, HIGH);
      tone(buzzPin, HIGH);
      myservo.write(0);
    }

    
  }

}