#define BLYNK_TEMPLATE_ID "TMPL6-kmeDHkZ"
#define BLYNK_TEMPLATE_NAME "Mugiwara"
#define BLYNK_AUTH_TOKEN "3gDXawWgrPcAHBwUJpzXKez_zB2LijQ_"

#define BLYNK_PRINT Serial


#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <DHT.h>



#define DHTTYPE DHT22 // DHT type
#define DHTPIN 27     // Pin connected to DHT11 sensor

#define LDR_PIN 0  // LDR analog pin
#define LED_PIN V0   // LED pin on Blynk app
#define TRIGGER_PIN 4 // Ultrasonic sensor trigger pin
#define ECHO_PIN 5    // Ultrasonic sensor echo pin



char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST"; //nama hotspot yang digunakan
char pass[] = "";           //password hotspot yang digunakan


DHT dht(DHTPIN, DHTTYPE);
BlynkTimer timer;

void setup() {
  Serial.begin(115200);
  pinMode(26, OUTPUT);
  Blynk.begin(auth, ssid, pass);
  dht.begin();
  timer.setInterval(1000L, sendSensorData); // Update sensor data every second
}

void loop() {
  Blynk.run();
  timer.run();
}

void sendSensorData() {
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();
  int lightIntensity = analogRead(LDR_PIN);

  // Ultrasonic sensor code
  pinMode(TRIGGER_PIN, OUTPUT);
  digitalWrite(TRIGGER_PIN, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIGGER_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIGGER_PIN, LOW);

  pinMode(ECHO_PIN, INPUT);
  unsigned long duration = pulseIn(ECHO_PIN, HIGH);
  unsigned int distance = duration * 0.034 / 2; // Calculate distance in cm

  Blynk.virtualWrite(V3, temperature);       // Send temperature to V3 on Blynk app
  Blynk.virtualWrite(V4, humidity);          // Send humidity to V4 on Blynk app
  Blynk.virtualWrite(V2, lightIntensity);    // Send light intensity to V2 on Blynk app
  Blynk.virtualWrite(V1, distance);          // Send distance to V1 on Blynk app
}

BLYNK_WRITE(V0)
{
  int pinValue = param.asInt(); // Assign incoming value from pin V0 to a variable
  if (pinValue == 1)
  {
    digitalWrite(26, HIGH); // Turn on LED connected to pin 26
  }
  else
  {
    digitalWrite(26, LOW); // Turn off LED connected to pin 26
  }
}