#include "DHTesp.h"

// Pin Definitions
const int DHT_PIN = 15;       // Pin for the DHT sensor
const int TRIGGER_PIN = 27;   // Pin for the ultrasonic sensor trigger
const int ECHO_PIN = 14;      // Pin for the ultrasonic sensor echo
const int LED_PIN = 12;       // Pin for the LED

DHTesp dhtSensor;

void setup() {
  Serial.begin(115200);

  // Initialize DHT sensor
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);

  // Initialize pins
  pinMode(TRIGGER_PIN, OUTPUT);
  pinMode(ECHO_PIN, INPUT);
  pinMode(LED_PIN, OUTPUT);
}

void loop() {
  Serial.println("---ULTRASONIC SENSOR---");

  // Trigger the ultrasonic sensor
  digitalWrite(TRIGGER_PIN, HIGH);
  delay(10);  // Trigger pulse duration
  digitalWrite(TRIGGER_PIN, LOW);

  // Measure the echo response time
  int reading = pulseIn(ECHO_PIN, HIGH);

  // Calculate the distance (in mm)
  int distance = (reading * 0.034 / 2);

  // Print distance
  Serial.println("Distance: " + String(distance) + " mm");

  // Control the LED based on distance
  if (distance > 200) {
    digitalWrite(LED_PIN, HIGH);  // Turn LED on
  } else {
    digitalWrite(LED_PIN, LOW);   // Turn LED off
  }

  Serial.println("---DHT SENSOR---");

  // Get temperature and humidity data
  TempAndHumidity data = dhtSensor.getTempAndHumidity();

  // Print temperature and humidity
  Serial.println("Temp: " + String(data.temperature, 2) + " °C");
  Serial.println("Humidity: " + String(data.humidity, 1) + " %");

  Serial.println("----------------------");
  
  delay(2000);  // Delay before next reading
}