const int led1=32,led2=33,led3=25,led4=26;
const int boton1=19;

void setup(){
  pinMode(led1, OUTPUT);pinMode(led2, OUTPUT);pinMode(led3, OUTPUT);pinMode(led4, OUTPUT);
  pinMode(boton1, INPUT);
}
void loop(){
  if (digitalRead( boton1)==1){
    digitalWrite(led4, HIGH);digitalWrite(led3, HIGH);digitalWrite(led2, HIGH);digitalWrite(led1, HIGH);
    delay(500);
    digitalWrite(led4, LOW);digitalWrite(led3, LOW);digitalWrite(led2, LOW);digitalWrite(led1, LOW);
    delay(500);
    }
  // si bonn1 = 1  entoces led1 prende 
  if (digitalRead(boton1)==0) { digitalWrite(led4, LOW);digitalWrite(led3, LOW);digitalWrite(led2, LOW);digitalWrite(led1, LOW);
    delay(500);}
  
}