const int echo=14;
const int trig=12;
float distance;
float humidity;
float temperature;
float duration;

#define buzz 25
#define redled 18
#define blueled 5
#define greenled 17
#include <DHTesp.h>
DHTesp dhtSensor;
TempAndHumidity data;
const int dhtpin=27;


void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(trig, OUTPUT);
  pinMode(echo, INPUT);
  pinMode(buzz, OUTPUT); 
  pinMode(redled,OUTPUT);
  pinMode(blueled,OUTPUT);
  pinMode(greenled,OUTPUT);

  dhtSensor.setup(dhtpin,DHTesp::DHT22); 
  delay(1000);
}
float getdistance()
{
  digitalWrite(trig,LOW);
  delayMicroseconds(2);
  digitalWrite(trig, HIGH);
  delayMicroseconds(10);
  digitalWrite(trig, LOW);
  duration = pulseIn(echo,HIGH);
  return {duration*0.034/2};
}
void loop() 
{
  distance=getdistance();
  Serial.println("distance:"+String(distance));
  Serial.println("<------------->");


  data=dhtSensor.getTempAndHumidity();
  Serial.println("   ");
  Serial.println("Humidity:    "+String(data.humidity));
  Serial.println("Temperature:    "+String(data.temperature));
  delay(1500);

  if(distance <= 100)
  {
    tone(buzz,1500);
    digitalWrite(redled, HIGH);
  
  }
  else
  {
    noTone(buzz);
    digitalWrite(redled, LOW);
  }


  if(data.humidity <= 12)
  {
   
    digitalWrite(blueled, HIGH);
    delay(1000);
  
  }
  else
  {
    
    digitalWrite(blueled, LOW);
  }


   if(data.temperature <= 24)
  {
   
    digitalWrite(greenled, HIGH);
    delay(1000);
  }
  else
  {
    
    digitalWrite(greenled, LOW);
  }



}