#define BLYNK_TEMPLATE_ID "TMPL3lf9Nu_Fl"
#define BLYNK_TEMPLATE_NAME "LED INTENSITY"
#define BLYNK_AUTH_TOKEN "XFnqKDs7Q_PWQ_A2S78dliUJTwM7B2c6"

#define LED 2

void setup() {
  pinMode(LED, OUTPUT);
}

void loop() {
  digitalWrite(LED, HIGH);
  delay(500);
  digitalWrite(LED, LOW);
  delay(500);
}