int Pin1 =10;
int Br1 = 15;
int Br2 = 100;
int Br3 = 255;
int Dl = 2000;






void setup() {
  // put your setup code here, to run once:
pinMode(Pin1, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
analogWrite(Pin1, Br1);
delay(Dl);
analogWrite(Pin1, Br2);
delay(Dl);
analogWrite(Pin1, Br3);
}