int ledPin = 6;
int delayTime=200;


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

void loop()
{

  
for (int i=0;i<10;i++)
  {
    Serial.println(i);
    digitalWrite(ledPin, HIGH);
    delay(delayTime);
    digitalWrite(ledPin, LOW);
    delay(delayTime);
    
}
   
    }