int boton1 = 2; 
int estadob1 = 0;
#define t1  20
#define t2  5


void setup() {
  // set up pins 7 to 10 as outputs
  pinMode(boton1, INPUT);
  for (int i = 7; i <= 11; i++) {
    pinMode(i, OUTPUT);
  }
}

void loop(){

estadob1 = digitalRead (boton1); 

  if (estadob1 == HIGH) {

for(int i=7; i<11; i++){
  digitalWrite(i, HIGH);
  delay(t1);
}
for(int i=7; i<11; i++){
  digitalWrite(i, LOW);
  delay(t1);
}


for(int i = 10; i>=6; i--){
  digitalWrite(i, HIGH);
  delay(t2);
}
for(int i = 10; i>=6; i--){
  digitalWrite(i, LOW);
  delay(t2);
}
}

else 
{
    digitalWrite(10, LOW);
    digitalWrite(9, LOW);   
    digitalWrite(8,LOW);
    digitalWrite(7,LOW);
      
}
}