void setup() {
pinMode(11, OUTPUT);
pinMode(12, OUTPUT);

}

void loop() {
analogWrite(11,100);
delay(100);
analogWrite(11,150);
delay(100);
analogWrite(11,200);
delay(100);
analogWrite(11,255);
delay(100);
digitalWrite(12,1);
delay(100);
digitalWrite(12,0);
delay(100);
}