void setup() {
  // put your setup code here, to run once:
pinMode(11, OUTPUT);
pinMode(10, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
analogWrite(11,255);
analogWrite(10,0);
delay(500);
analogWrite(10,5);
analogWrite(11,0);
delay(500);
analogWrite(11,5);
analogWrite(10,0);
delay(500);
analogWrite(10,255);
analogWrite(11,0);
delay(500);

}