#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPL3eoeyYGJ1"
#define BLYNK_TEMPLATE_NAME "LED control using Blynk"
#define BLYNK_AUTH_TOKEN "2HeLdx5C7jAfzF4SbZ1Cx-Si4WTXUn5-"
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wolf";
char pass[] = "123456789";

void setup() {
pinMode(16, OUTPUT);
pinMode(17, OUTPUT);
pinMode(18, OUTPUT);
Serial.begin(9600);
}
void loop() {
 digitalWrite(16, HIGH);
 Serial.println("Relay ON");
 delay(3000);
 digitalWrite(17, HIGH);
 Serial.println("Relay ON");
 delay(3000);
 digitalWrite(18, HIGH);
 Serial.println("Relay ON");
 delay(3000);
 digitalWrite(16, LOW);
 Serial.println("Relay OFF");
 delay(3000);
 digitalWrite(17, LOW);
 Serial.println("Relay OFF");
 delay(3000);
 digitalWrite(18, LOW);
 Serial.println("Relay OFF");
 delay(3000);
}