/*************************************************************

  This sketch shows how to write values to Virtual Pins

  NOTE:
  BlynkTimer provides SimpleTimer functionality:
    http://playground.arduino.cc/Code/SimpleTimer

  App dashboard setup:
    Value Display widget attached to Virtual Pin V5
 *************************************************************/

/* Fill-in information from Blynk Device Info here */
#define BLYNK_TEMPLATE_ID           "TMPL6kuoXbpy1"
#define BLYNK_TEMPLATE_NAME         "kecepatan angin"
#define BLYNK_AUTH_TOKEN            "VHrF7IGMfzw05UtU_EsRWCftn361yy-0"

/* Comment this out to disable prints and save space */
#define BLYNK_PRINT Serial

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

// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

BlynkTimer timer;

// Batas kecepatan angin untuk membunyikan buzzer (dalam km/h)
const int BATAS_KECEPATAN = 45;

// This function sends Arduino's up time every second to Virtual Pin (5).
// In the app, Widget's reading frequency should be set to PUSH. This means
// that you define how often to send data to Blynk App.
void myTimerEvent()
{
  // Membaca nilai dari pin analog (misalnya sensor kecepatan angin)
  int sensorValue = analogRead(34);
  // Ubah skala dari 0-4095 ke 0-200
  int Kecepatan_kmh = map(sensorValue, 0, 4095, 0, 200);
  double volt = Kecepatan_kmh * (3.3 / 200);
  Serial.print("nilai kmh: ");
  Serial.print(Kecepatan_kmh);
  Serial.print(" Value volt: ");
  Serial.println(volt);
  Blynk.virtualWrite(V0, Kecepatan_kmh);
  Blynk.virtualWrite(V1, volt);

  // Membunyikan buzzer jika kecepatan melebihi batas
  if (Kecepatan_kmh >= BATAS_KECEPATAN) {
    tone(32, 1000); // Mengirimkan gelombang suara 1kHz ke buzzer
    delay(500); // Menunggu selama 500 milidetik
    noTone(32); // Menghentikan buzzer
  }
}

void setup()
{
  // Debug console
  Serial.begin(115200);
  pinMode(34, INPUT);
  pinMode(35, INPUT);
  pinMode(32, OUTPUT); // Pastikan pin untuk buzzer diset sebagai OUTPUT

  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
  // You can also specify server:
  //Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass, "blynk.cloud", 80);
  //Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass, IPAddress(192,168,1,100), 8080);

  // Setup a function to be called every second
  timer.setInterval(1000L, myTimerEvent);
}

void loop()
{
  Blynk.run();
  timer.run(); // Initiates BlynkTimer
}