#include <DHT.h>

#define DHTPIN 15      // Pin to which the DHT22 sensor is connected
#define DHTTYPE DHT22  // DHT 22 (AM2302) sensor type
#define ledPin 23

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  // put your setup code here, to run once:
  pinMode(ledPin, OUTPUT);
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
}

void loop() {
  // Read data from the DHT sensor
  float temperature = dht.readTemperature();

  // Check if the DHT sensor read was successful
  if (!isnan(temperature)) {
    Serial.println("Connected");
    // Check if temperature is above 38 degrees Celsius
    if (temperature > 45.0) {
      digitalWrite(ledPin, HIGH); // Turn on the LED
      Serial.println("Hot");
    } else {
      digitalWrite(ledPin, LOW); // Turn off the LED
      Serial.println("Cold");
    }
  } else {
    Serial.println("Cannot read DHT22");
    digitalWrite(ledPin, LOW); // Turn off the LED in case of an error
  }

  delay(2000); // Delay for 2 seconds before reading again
}