#define BLYNK_TEMPLATE_ID "TMPL6ApUvOptw"
#define BLYNK_TEMPLATE_NAME "relay"
#define BLYNK_AUTH_TOKEN "wQVT2DTCd6CETZFHMdUrcqkwsXOykun2"
#define BLYNk_PRINT Serial
int relay=23;
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>

char ssid[]="Wokwi-GUEST";
char password[]="";
BLYNK_WRITE(V0){
  int value=param.asInt();
  Serial.println(value);
digitalWrite(relay,value);
}

void setup() {
  pinMode(relay, OUTPUT);
 
 Blynk.begin(BLYNK_AUTH_TOKEN,ssid,password);
}

void loop() {
 Blynk.run();

}