void setup() {
  Serial.begin(9600);
  pinMode(12, OUTPUT);
  Serial.begin(9600);
  pinMode(10, OUTPUT);

}

void loop() {
  digitalWrite(12, HIGH);
  Serial.println("LED ON");
  delay(2000);
    digitalWrite(12, LOW);
  Serial.println("LED OF");
  delay(2000);

    digitalWrite(10, HIGH);
  Serial.println("LED ON");
  delay(2000);
    digitalWrite(10, LOW);
  Serial.println("LED OF");
  delay(2000);

     digitalWrite(11, HIGH);
  Serial.println("LED ON");
  delay(2000);
    digitalWrite(11, LOW);
  Serial.println("LED OF");
  delay(2000);
    digitalWrite(7, HIGH);
  Serial.println("LED ON");
  delay(2000);
    digitalWrite(7, LOW);
  Serial.println("LED OF");
  delay(2000);

}