//WAP TO read real time temperate.

IF temp >30.c - RED LED must ON
               - Buzzer must turn ON.

OTHERWISE- Green led =on
           buzzer- OFF





#include<Adafruit_Sensor.h>
#include"DHT.h"
#define DHTPIN 7
#define DHTTYPE DHT22
DHT dht(DHTPIN,DHTTYPE);
void setup()
{
Serial.begin(9600);
Serial.println("DHT22 test!");
dht.begin();
}

void loop()
{
  delay(2000);
float h=dht.readHumidity();
float t=dht.readTemperature();
Serial.print("Humidity: \t");
Serial.print(h);
Serial.print("% \n");
delay(500);
Serial.print("Temperature: \t");
Serial.print(t);
Serial.print("*C \n");

}


//
#include <Adafruit_Sensor.h>
#include <DHT.h>

#define DHTPIN 7
#define DHTTYPE DHT22

DHT dht(DHTPIN, DHTTYPE);

#define RED_LED 13    // Red LED connected to digital pin 13
#define GREEN_LED 12  // Green LED connected to digital pin 12
#define BUZZER 8      // Buzzer connected to digital pin 8

void setup() {
  Serial.begin(9600);
  Serial.println("DHT22 test!");
  dht.begin();
  
  pinMode(RED_LED, OUTPUT);
  pinMode(GREEN_LED, OUTPUT);
  pinMode(BUZZER, OUTPUT);
}

void loop() {
  delay(2000);
  float h = dht.readHumidity();
  float t = dht.readTemperature();
  
  Serial.print("Humidity: \t");
  Serial.print(h);
  Serial.print("% \n");
  delay(500);
  Serial.print("Temperature: \t");
  Serial.print(t);
  Serial.print("*C \n");
  
  if (t > 30.0) {
    digitalWrite(RED_LED, HIGH);   // Turn on the red LED
    digitalWrite(BUZZER, HIGH);    // Turn on the buzzer
    digitalWrite(GREEN_LED, LOW);  // Turn off the green LED
  } else {
    digitalWrite(GREEN_LED, HIGH); // Turn on the green LED
    digitalWrite(RED_LED, LOW);    // Turn off the red LED
    digitalWrite(BUZZER, LOW);     // Turn off the buzzer
  }
}