#define BLYNK_TEMPLATE_ID "TMPL6-b8uGlg6"
#define BLYNK_DEVICE_NAME "monitoring"
#define BLYNK_AUTH_TOKEN "4CtaMyHMmbnniUoBG5Ha7zfAEYs_G-mq"

#define BLYNK_PRINT Serial

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


#include <DHT.h>

char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST"; 
char pass[] = ""; 

#define DHTPIN 5         
#define DHTTYPE DHT22       
#define ECHO_PIN 4
#define TRIG_PIN 2
DHT dht(DHTPIN, DHTTYPE);
BlynkTimer timer;
int adc = 34;
long durasi;
int jarak;

BLYNK_WRITE(V0)
{
  int pinValue = param.asInt(); 
  if (pinValue == 1)
  {
    digitalWrite(18, HIGH);
  }
  else {
    digitalWrite(18, LOW);
  }
  // process received value
}



void setup(){
   Serial.begin(115200);
  Blynk.begin(auth, ssid, pass);
  dht.begin();
  pinMode(18, OUTPUT);
  pinMode(TRIG_PIN, OUTPUT);
  pinMode(ECHO_PIN, INPUT);
  timer.setInterval(2500L, sendSensor);
}

void loop(){
  Blynk.run();
  timer.run();
}
void sendSensor(){
  float h = dht.readHumidity();
  float t = dht.readTemperature();
  int adc = analogRead(34);

  digitalWrite(TRIG_PIN,LOW);
  delayMicroseconds(2);
  digitalWrite(TRIG_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN, LOW);
  durasi = pulseIn(ECHO_PIN, HIGH);   
  jarak = durasi * 0.034 / 2;

  if (isnan(h) || isnan(t) || isnan(adc) || isnan(jarak)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }
  Blynk.virtualWrite(V1, t);
  Blynk.virtualWrite(V2, h);
  Blynk.virtualWrite(V3, adc);
  Blynk.virtualWrite(V4, jarak);

  Serial.print("Suhu : ");
  Serial.print(t);
  Serial.println("°C ");
  Serial.print("Kelembapan : ");
  Serial.print(h);
  Serial.println(" % ");
  Serial.print("ADC : ");
  Serial.print(adc);
  Serial.println(" adc ");
  Serial.print("Jarak: ");
  Serial.print(jarak);
  Serial.println("cm");




  }