//LucSu Projek Lernen 1

unsigned long timer = 0;



void setup() {


pinMode(13,OUTPUT);
}



void loop() {
if(millis()-timer > 500){
digitalWrite(13,HIGH);}
if(millis()-timer > 1000){
digitalWrite(13,LOW);
timer=millis();}
{
if(timer>millis())
timer=0;}
}