#define BLYNK_TEMPLATE_ID "TMPL33ezmrqr1"
#define BLYNK_TEMPLATE_NAME "Home Automation test"
#define BLYNK_AUTH_TOKEN "z2pUcsWq-4CRV_MBHk6b2S5A68FHMjzV"
#define BLYNK_PRINT Serial
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
char auth[] = BLYNK_AUTH_TOKEN; 
// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "Wokwi-GUEST"; 
char pass[] = ""; 
BLYNK_WRITE(V0)
{
 int pinValue = param.asInt();
 if (pinValue == 1)
 {
 digitalWrite(4, HIGH);
 }
 else {
 digitalWrite(4, LOW);
 }
}
void setup()
{
 // Debug console
 Serial.begin(115200);
 pinMode(4, OUTPUT);
Blynk.begin(auth, ssid, pass);
}
void loop()
{
 Blynk.run();
}