#define POTENTIOMETER_PIN 2
#define BUZZER_PIN 12

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

#define BLYNK_TEMPLATE_ID "TMPL6cHXXbH27"
#define BLYNK_TEMPLATE_NAME "sensor kebocoran gas"
#define BLYNK_AUTH_TOKEN "2M-0s63-Jb4iHIE1pDJYjfFrdGNtaXso"

#define WIFI_SSID "Wokwi-GUEST"      // ganti dengan nama jaringan WiFi kamu
#define WIFI_PASSWORD ""  

int potValue = 0;
int buzzerStatus = 0;

BlynkTimer timer;

void setup() {
  pinMode(POTENTIOMETER_PIN, INPUT);
  pinMode(BUZZER_PIN, OUTPUT);
  Serial.begin(9600);
  Blynk.begin(auth, ssid, pass);

  // Membuat fungsi untuk memperbarui nilai potensiometer setiap 1 detik
  timer.setInterval(1000L, updatePotValue);
}

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

void updatePotValue() {
  potValue = analogRead(POTENTIOMETER_PIN);
  Serial.println(potValue);
  Blynk.virtualWrite(V0, potValue); // Mengirim nilai potensiometer ke Blynk
}

BLYNK_WRITE(V2) { // Mendeteksi perubahan pada switch di Blynk
  buzzerStatus = param.asInt();
  if (buzzerStatus == 1) {
    digitalWrite(BUZZER_PIN, HIGH);
    tone(BUZZER_PIN, 1000);
  } else {
    digitalWrite(BUZZER_PIN, LOW);
    noTone(BUZZER_PIN);
  }
}