#include<DHTesp.h>

DHTesp dhtsensor;
TempAndHumidity data;
const int dhtpin = 25;
const int trig = 12;
const int echo = 13;
const int red = 2;
const int blue = 16;
const int green = 4;
const int buzzer = 18;
long dis;
long dur;


void setup()
{
  Serial.begin(115200);
  pinMode(trig, OUTPUT);
  pinMode(echo, INPUT);
  pinMode(red, OUTPUT);
  pinMode(blue, OUTPUT);
  pinMode(green, OUTPUT);
  pinMode(buzzer, OUTPUT);
  dhtsensor.setup(dhtpin,DHTesp::DHT22);

  delay(1000);
}
void loop() {
  data =dhtsensor.getTempAndHumidity();
  Serial.println();
  Serial.println("Humidity : "+String(data.humidity));
  Serial.println("Temperature : "+String(data.temperature));
  dis = getdistance();
  Serial.println("distance is "+String(dis));
  Serial.println();
  if(data.temperature<=12)
digitalWrite(green, HIGH);
else
digitalWrite(green, LOW);
if(data.humidity<=25)
digitalWrite(blue, HIGH);
else
digitalWrite(blue, LOW);
if(dis < 100)
{
  digitalWrite(red, HIGH);
  tone(buzzer,2000);
}
else
{
  digitalWrite(red, LOW);
  noTone(buzzer);

}
delay(500);
  }
  float getdistance()
{
  digitalWrite(trig, LOW);
  delayMicroseconds(2);
  digitalWrite(trig, HIGH);
  delayMicroseconds(10);
  digitalWrite(trig, LOW);
  dur = pulseIn(echo,HIGH);
  return(dur*0.034/2);
}