#define led1 4
#define led2 16
#define led3 17
#define led4 5
#define pulsador 14

void setup(){
//put your setup code here, to run rep
pinMode(led1,OUTPUT);
pinMode(led2,OUTPUT);
pinMode(led3,OUTPUT);
pinMode(led4,OUTPUT);
pinMode(pulsador,INPUT);
}

void loop(){
//put your setup code here, to run 
if(digitalRead(pulsador)==1){
digitalWrite(led1,HIGH);
delay(1000);
digitalWrite(led2,HIGH);
delay(1000);
digitalWrite(led3,HIGH);
delay(1000);
digitalWrite(led4,HIGH);
delay(3000);
//secuencia de apagado:
digitalWrite(led1,LOW);
digitalWrite(led2,LOW);
digitalWrite(led3,LOW);
digitalWrite(led4,LOW);
}
}