#define BLYNK_TEMPLATE_ID "TMPL65id3Z1AM"
#define BLYNK_TEMPLATE_NAME "T2"
#define BLYNK_AUTH_TOKEN "ED1Eph2v0MT0Uc5zXLv6c733nDN7mTcQ"

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

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

BlynkTimer timer;

#define relay 4
#define Buzzer 19

int SW_relay = 0;

BLYNK_WRITE(V0)
{
  SW_relay = param.asInt();
  if (SW_relay == 1){
    digitalWrite(relay, HIGH);
    Serial.println("Relay terbuka");
    Blynk.virtualWrite(V0, HIGH);
  } else {
    digitalWrite(relay, LOW);
    Serial.println("Relay tertutup");
    Blynk.virtualWrite(V0, LOW);
  }
}

void kontrolBuzzer() {
  static bool buzzerState = false;

  buzzerState = !buzzerState;  // Toggle buzzer state
  digitalWrite(Buzzer, buzzerState ? HIGH : LOW);  // Set the buzzer state
}

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

  pinMode(relay, OUTPUT);
  pinMode(Buzzer, OUTPUT);

  Blynk.begin(auth, ssid, pass);

  timer.setInterval(1000L, kontrolBuzzer);  // Call kontrolBuzzer every 1 second

  Serial.println("Hello, ESP32!");
}

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