#include <Adafruit_Sensor.h>
#include <DHT.h>

#define PIR 34
#define ECHO 32
#define TRIG 4
#define DHT_PIN  21
#define Batas_Temperatur 25
#define Batas_Kelembapan 40
#define M_LED 23
#define B_LED 22
#define H_LED 5
#define U_LED 19
#define K_LED 18

DHT dht(DHT_PIN, DHT22);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  dht.begin();
  pinMode(PIR, INPUT);
  pinMode(TRIG, OUTPUT);
  pinMode(ECHO, INPUT);
  pinMode(M_LED, OUTPUT);
  pinMode(B_LED, OUTPUT);
  pinMode(H_LED, OUTPUT);
  pinMode(U_LED, OUTPUT);
  pinMode(K_LED, OUTPUT);
}
  float ping(){
    digitalWrite(TRIG, LOW);
    delayMicroseconds(2);
    digitalWrite(TRIG, HIGH);
    delayMicroseconds(10);
      digitalWrite(ECHO, LOW);

      int duration_nanosec = pulseIn(ECHO, HIGH);
      float distance_cm = 0.017 * duration_nanosec; 
      return distance_cm;
  }

void loop() {
  float kelembapan = dht.readHumidity();
  float temperatur = dht.readTemperature();

  if(digitalRead(PIR)==1 && temperatur >= Batas_Temperatur && kelembapan >= Batas_Kelembapan){
    for (int i=1;i<=5;i++){
      Serial.print("Jarak yang Terdeteksi ");
      Serial.print(ping());
      bool isNearby = ping () <=100;
      digitalWrite(M_LED,isNearby);
      delay(400);
      digitalWrite(M_LED, LOW);
      bool isnearby = ping () <= 200 && ping() > 100;
      digitalWrite(B_LED,isnearby);
      delay(400);
      digitalWrite(B_LED, LOW);
      bool isnEarby = ping () <= 300 && ping() > 200;
      digitalWrite(H_LED,isnEarby);
      delay(400);
      digitalWrite(H_LED, LOW);
      bool isnearbY = ping () <= 400 && ping() > 300;
      digitalWrite(U_LED,isnearbY);
      delay(400);
      digitalWrite(U_LED, LOW);
      Serial.print("Temperatur ");
      Serial.println(temperatur);
      Serial.print("Kelembapan ");
      Serial.println(kelembapan);
      }
  }
  else {
  digitalWrite(M_LED, HIGH);
  delay(300);
  digitalWrite(M_LED, LOW);
  digitalWrite(B_LED, HIGH);
  delay(300);
  digitalWrite(B_LED, LOW);
  digitalWrite(H_LED, HIGH);
  delay(300);
  digitalWrite(H_LED, LOW);
  digitalWrite(U_LED, HIGH);
  delay(300);
  digitalWrite(U_LED, LOW);
  digitalWrite(K_LED, HIGH);
  delay(300);
  digitalWrite(K_LED, LOW);
  }
}