/*
 created 2005
 by DojoDave <http://www.0j0.org>
 modified 30 Aug 2011
 by Tom Igoe

 This example code is in the public domain.

 http://www.arduino.cc/en/Tutorial/Button
 */



const int pinBoton = 8;     // the number of the pushbutton pin
const int pinLed =  3;      // the number of the LED pin


int estadoBoton = 1;         // variable for reading the pushbutton status


void setup() {
  
  
  // initialize the LED pin as an output:
  pinMode(pinLed, OUTPUT);
  
  
  // initialize the pushbutton pin as an input_pullup:
  pinMode(pinBoton, INPUT_PULLUP);
}

void loop() {
  // https://www.arduino.cc/en/Reference/DigitalRead
  // read the state of the pushbutton value:
  estadoBoton = digitalRead(pinBoton);

  
  // check if the pushbutton is pressed. if it is, the buttonState is ON:
  if (estadoBoton == LOW) {
   
    // https://www.arduino.cc/en/Reference/DigitalWrite
    // turn LED oN:
    digitalWrite(pinLed, HIGH);
    delay(3000);
  } else {
    // turn LED oFF:
    digitalWrite(pinLed, LOW);
    delay(3000);
  }
}