#define BLYNK_TEMPLATE_ID "TMPL3oeVBh3gy"
#define BLYNK_TEMPLATE_NAME "Controlling LED Wokwi"
#define BLYNK_AUTH_TOKEN "jtUriNBKkEvpoyXFrN6wpLMKhTzZvs3x"
#define BLYNK_PRINT Serial
#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
char auth[] = "jtUriNBKkEvpoyXFrN6wpLMKhTzZvs3x"; // Auth token from Blynk app
char ssid[] = "iPhone";   // Your WiFi name
char pass[] = "12345678"; // Your WiFi password

int ledPin = 22;  // LED connected to D2 (GPIO4)

void setup()
{
  Serial.begin(9600);
  pinMode(ledPin, OUTPUT);
  digitalWrite(ledPin, LOW);

  Blynk.begin(auth, ssid, pass);
  Serial.println("Connecting to Blynk...");
}

// Function triggered by Blynk app button
BLYNK_WRITE(V0)
{
  int ledState = param.asInt(); // Get value from app (0 or 1)
  digitalWrite(ledPin, ledState);
  Serial.print("LED State: ");
  Serial.println(ledState ? "ON" : "OFF");
}

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