int pulsador = 7;
int motor = 3;
int led = 7; 
void setup(){
pinMode(pulsador,INPUT);
pinMode(motor, OUTPUT);
}

void loop(){
  //analogWrite(motor,0);
if (digitalRead(pulsador) == HIGH){
  analogWrite(motor,0);
  digitalWrite(led, HIGH);
}
else{
  analogWrite(motor, 90);
  digitalWrite(led, LOW);
} 

}