#define BLYNK_TEMPLATE_ID "TMPL3-uencsME"
#define BLYNK_TEMPLATE_NAME "led with relay"
#define BLYNK_AUTH_TOKEN "7QUNq0Dup9XjQVOTvNMt8Y4KKt4209lH"
#include <WiFi.h>
#include <BlynkSimpleEsp32.h>

char auth[] = "7QUNq0Dup9XjQVOTvNMt8Y4KKt4209lH";
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

const int relayPin = 15;  // GPIO pin connected to the relay module
bool motorState = false;

void setup() {
  Serial.begin(9600);
  Blynk.begin(auth, ssid, pass);
    pinMode(relayPin, OUTPUT);
}

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

BLYNK_WRITE(V0) {  // Virtual pin V0 in the Blynk app
  int value = param.asInt();
  if (value == 1) {
    digitalWrite(relayPin, HIGH);  // Turn the relay on
    motorState = true;
  } else {
    digitalWrite(relayPin, LOW);  // Turn the relay off
    motorState = false;
  }
  Serial.println(motorState ? "Motor ON" : "Motor OFF");
}