void setup() {
pinMode(5,OUTPUT);
}

void loop() {
analogWrite(5, 150);
delay(500);

analogWrite(5,0);
delay(100);

analogWrite(5,200);
delay(500);

analogWrite(5,0);
delay(100);

analogWrite(5,255);
delay(500);

analogWrite(5,0);
delay(100);

}