void setup() {
  pinMode(5, OUTPUT);
  Serial.begin(9600);
  
  // put your setup code here, to run once:

}

void loop() {
  float tension= analogRead(A0);
  int segundos= (map (tension,0,1023,0,5000));
  digitalWrite(5, HIGH);
  delay(segundos);
  digitalWrite(5, LOW);
  delay(segundos);
  Serial.println(segundos);


  // put your main code here, to run repeatedly:

}