# define BUTTON_PIN 22   
# define RELAY_PIN 27   

void  setup () { 
Serial . begin (115200);                 
}
  


void  loop () { 
int buttonState = digitalRead (BUTTON_PIN);
 

  if (buttonState == LOW){ 
Serial . println ( "O botão está sendo pressionado" ); digitalWrite (RELAY_PIN, HIGH );
  } 
}