float tempo_aci;
float tempo_aci_led;
float delay_led;
int x;

void setup() {
  // put your setup code here, to run once:

pinMode(11, OUTPUT);
pinMode(10, OUTPUT);
pinMode(9, OUTPUT);
Serial.begin(9600);
analogReference(DEFAULT);

}

void loop() {
  // put your main code here, to run repeatedly:

tempo_aci = (analogRead(A0)/1023) * 20;
tempo_aci_led = tempo_aci + 10;
delay_led = tempo_aci_led * 1000;

digitalWrite(9, HIGH);
delay(delay_led);
digitalWrite(9, LOW);

digitalWrite(10, HIGH);
delay(delay_led - 6000);

for (int x=0; x<3; x++) {
digitalWrite(10, LOW); 
delay(1000); 
digitalWrite(10, HIGH); 
delay(1000); 
}

digitalWrite(10, LOW); 
digitalWrite(11, HIGH);
delay(delay_led);
digitalWrite(11, LOW);
}