#include <DHT.h>
// dht header

const int dhtPin = 15;
DHT dht22(dhtPin,DHT22);
//dht declaration

const int trigPin = 4;
const int echoPin = 16;
//ultrasonic declaration
void setup() {
  Serial.begin(115200);
  //communication setup
  dht22.begin();
  //dht setup

  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
  //ultrasonic setup
}

void loop() {
  int humidity = dht22.readHumidity();
  int temp = dht22.readTemperature();
  Serial.println(humidity);
  Serial.println(temp);
  //dht loop

  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  int duration = pulseIn(echoPin,HIGH);
  int distance = duration * 0.034 / 2;
  Serial.println(distance);
  // ultrasonic loop

  }