//this project blinks a led

int led = 8;

//setup function run only once
void setup() {
  // put your setup code here, to run once:
  pinMode(led, OUTPUT);
  //this function sets how the led pin will behave
}

//function loop runs while the project runs.  
//this is the Main function
void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(led, HIGH);
  delay(200);
  digitalWrite(led, LOW);
  delay(200);
}