#define BLYNK_TEMPLATE_ID "TMPL608a_hhrZ"
#define BLYNK_TEMPLATE_NAME "Pengendalian LED"
#define BLYNK_AUTH_TOKEN "oFMLx1ikqcf0MtIExqvUaw5RnlqOVZrF"

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

char auth[] = "oFMLx1ikqcf0MtIExqvUaw5RnlqOVZrF";
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

BlynkTimer timer;
#define relay 2
int SW_relay = 0;

BLYNK_WRITE(V1)
{
 SW_relay = param.asInt();
 if (SW_relay ==1){
  digitalWrite(relay, HIGH);
  Serial.println("Relay Terbuka");
  Blynk.virtualWrite(V1, HIGH);
 }else{
  digitalWrite(relay, LOW);
  Serial.println("Relay Tertutup");
  Blynk.virtualWrite(V1, LOW);
 }
}
void setup() {
  Serial.begin(115200);
  pinMode(relay, OUTPUT);
  Blynk.begin(auth, ssid, pass);
}
void loop() {
  Blynk.run();
  timer.run();
}
NOCOMNCVCCGNDINLED1PWRRelay Module