#define LED 2
#define boton 3

void setup() {
  // put your setup code here, to run once:
 pinMode(LED, OUTPUT);
 pinMode(boton,INPUT );
}

void loop() {

  if(digitalRead(boton)==0){
     
     digitalWrite(LED, HIGH);

  }
  else{

    digitalWrite(LED, LOW);
  }
  // put your main code here, to run repeatedly:
  delay(1); // this speeds up the simulation
}