#define LED 18
#define pinButton 4
int statusPinButton=0;


void setup()
{
  Serial.begin(9600); 
  pinMode(LED , OUTPUT);
  pinMode(pinButton, INPUT);
}
void loop()
{
  statusPinButton=digitalRead(pinButton);
  Serial.println(statusPinButton);
  digitalWrite(LED, statusPinButton);
  delay(300);
}