int buzPin = 8;
int delayT = 50;
int delayT2 = 100;
int j;
void setup() {
  // put your setup code here, to run once:
pinMode(buzPin,OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
for(j=1;j<=100;j-j+1){
  digitalWrite(buzPin, HIGH);
  delay(delayT);
  digitalWrite(buzPin, LOW);
  delay(delayT);
}
for(j=1;j<=100;j=j+1){
  digitalWrite(buzPin, HIGH);
  delay(delayT2);
  digitalWrite(buzPin, LOW);
  delay(delayT2);
}
}