#include<DHT.h>

#define dht_pin 15
#define dht_Type DHT22
#define led 13
#define buzzer 16


DHT dht(dht_pin, dht_Type );


void setup() {
  // put your setup code here, to run once:
Serial.begin(115200);
pinMode(led, OUTPUT);
pinMode(buzzer, OUTPUT);
dht.begin() ;
}

void loop()
{
 float temperature= dht.readTemperature();

Serial.print("Temp:  "  );
Serial.print(temperature);
Serial.println("°C");
if(temperature<=20){
  digitalWrite(led, HIGH);
  tone(16,500,1000);
}
else{
  digitalWrite(led, LOW);
}

float Humidity= dht.readHumidity();



Serial.print("Hum:  "  );
Serial.print(Humidity);
Serial.println("%");
if(Humidity<=20){
  digitalWrite(led, HIGH);
  tone(16,500,1000);
}
else{
  digitalWrite(led, LOW);
}

delay(1000);

}