// Temperature & Humidity Sensor Example using DHT11
// Connections:
// VCC  → 5V
// GND  → GND
// DATA → D7

#include "DHT.h"

// Define sensor pin and type
#define DHTPIN 7         // Data pin connected to digital pin D7
#define DHTTYPE DHT11    // We're using the DHT11 sensor

// Initialize DHT sensor
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  // Start serial communication
  Serial.begin(9600);

  // Initialize the sensor
  dht.begin();
}

void loop() {
  // Read humidity and temperature
  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature(); // Temperature in Celsius

  // Check if reading was successful
  if (isnan(humidity) || isnan(temperature)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  // Display the readings on Serial Monitor
  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.print(" °C  |  Humidity: ");
  Serial.print(humidity);
  Serial.println(" %");

  // Wait for 1 second before the next reading
  delay(1000);
}