#include <DHT.h>

#define DHTPIN 2        // Digital pin connected to the DHT sensor
#define DHTTYPE DHT22   // DHT 22 (AM2302)

#define LED_PIN 3       // Digital pin connected to the LED
#define TEMP_THRESHOLD 50.0  // Temperature threshold in degrees Celsius

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(9600);
  dht.begin();
  pinMode(LED_PIN, OUTPUT);  // Set LED pin as output
}

void loop() {
  delay(2000);  // Wait for 2 seconds

  float temperature = dht.readTemperature();  // Read temperature in Celsius

  if (isnan(temperature)) {
    Serial.println("Failed to read from DHT sensor!");
  } else {
    Serial.print("Temperature: ");
    Serial.print(temperature);
    Serial.println(" °C");

    if (temperature > TEMP_THRESHOLD) {
      digitalWrite(LED_PIN, HIGH);  // Turn on LED
    } else {
      digitalWrite(LED_PIN, LOW);   // Turn off LED
    }
  }
}