int nr=0;
void setup() {
  pinMode(5, OUTPUT);
  Serial.begin(115200);
  Serial.println("Algus");
}
void loop() {
  digitalWrite(5, HIGH);   // turn the LED on (HIGH is the voltage level)
  delay(1000);                       // wait for a second
  digitalWrite(5, LOW);    // turn the LED off by making the voltage LOW
  delay(2000);                       // wait for a second
  nr++;
  Serial.println(nr);
}