#include <DHT.h>
#include <SoftwareSerial.h>

#define DHTPIN 4     // Digital pin connected to the DHT sensor
#define DHTTYPE DHT11   // DHT 11

DHT dht(DHTPIN, DHTTYPE);
SoftwareSerial BTSerial(2, 3); // RX, TX

void setup() {
  Serial.begin(9600);
  BTSerial.begin(9600);
  dht.begin();
}

void loop() {
  float h = dht.readHumidity();
  float t = dht.readTemperature();

  if (isnan(h) || isnan(t)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  BTSerial.print("Humidity: ");
  BTSerial.print(h);
  BTSerial.print("%  Temperature: ");
  BTSerial.print(t);
  BTSerial.println("°C");
  delay(2000); // Send data every 2 seconds
}