int botao = 2;
int led = 4;
bool statusbotao = 0;

void setup() 
{
  pinMode(botao, INPUT);
  pinMode(led, OUTPUT);
  Serial.begin(115200);
  
}

void loop() 
{
  statusbotao = digitalRead(botao);
  digitalWrite(led,LOW);
  if(statusbotao == 1)
  {
    digitalWrite(led,HIGH);
  }
  delay(10);
}