#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPL6iU8srmzb"
#define BLYNK_TEMPLATE_NAME "led iot"
#define BLYNK_AUTH_TOKEN "U8eiiE2A-y7YmQiqBdEQeJA3YlyEQaVc"

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

char auth[] = "xxxxxxxxxxxxxxxxxxxxxxxxxx";

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

BLYNK_WRITE(V12)
{
  digitalWrite(12,param.asInt());
}

void setup() {
  pinMode(12, OUTPUT);
  Serial.begin(115200);
  Blynk.begin(auth, ssid, pass);
}

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