#define BLYNK_TEMPLATE_ID "TMPL4A1jYkTSB"
#define BLYNK_TEMPLATE_NAME "wokwi"
#define BLYNK_AUTH_TOKEN "your_auth_token"

#define BLYNK_PRINT Serial

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

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

BlynkTimer timer;

void myTimerEvent() {
  int read_value = analogRead(15);
  float voltage = read_value * (3.3 / 4096.0);
  // Serial.println("read_value = " + String(read_value));
  // Serial.println("voltage = " + String(voltage) + "V");
  // delay(100);
  Blynk.virtualWrite(V0, voltage);
}

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

  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
  timer.setInterval(3000L, myTimerEvent);
}

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