#include <DHTesp.h>
#include <DHT_U.h>

int trig = 27;
int echo = 26;
#define DHTPIN 16
#define DHTTYPE DHT11   
DHT_Unified dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(115200);
  pinMode(27, OUTPUT);
  pinMode(26, INPUT);
  pinMode(15,OUTPUT);
  pinMode(2, OUTPUT);
  pinMode(4, OUTPUT);
  dht.begin();
  Serial.println("Dual Sensor Test");
}

void loop() {
  long duration, distance;
  digitalWrite(27, LOW);
  delayMicroseconds(2);
  digitalWrite(27, HIGH);
  delayMicroseconds(10);
  digitalWrite(26, LOW);
  duration = pulseIn(26, HIGH);
  distance = (duration*0.992 / 2) / 29.1; 
  sensors_event_t event;
  dht.temperature().getEvent(&event);
  float temperature = event.temperature;
  dht.humidity().getEvent(&event);
  float humidity = event.relative_humidity;
  float tempercture = temperature;
  Serial.print("Distance: " + String(distance));
  Serial.println(" cm");
  Serial.print("Temperature: " + String(temperature));
  Serial.println(" °C");
  Serial.print("Humidity: " + String(humidity));
  Serial.println(" %");
  Serial.println("---------------------------");
  if (distance<=100)
  {
    digitalWrite(15, HIGH);
  }
  else
  {
    digitalWrite(15, LOW);
  }

   if (distance<=200)
  {
    digitalWrite(2, HIGH);
  }
  else
  {
    digitalWrite(2, LOW);
  }

   if (distance<=300)
  {
    digitalWrite(4, HIGH);
  }
  else
  {
    digitalWrite(4, LOW);
  }
  delay(200); 
}