int buzer = 2;

void setup() {
  // put your setup code here, to run once:
pinMode(buzer,OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
tone(buzer,200);
delay(1000);
tone(buzer,250);
delay(1000);
tone(buzer,210);
delay(1000);
tone(buzer,260);
delay(1000);
tone(buzer,220);
delay(1000);
tone(buzer,270);
delay(1000);
tone(buzer,230);
delay(1000);
tone(buzer,280);
delay(1000);
tone(buzer,240);
delay(1000);
tone(buzer,290);
delay(1000);
tone(buzer,250);
delay(1000);
tone(buzer,300);
delay(1000);


}