#define led 13
#define bt 27

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  delay(100);
  pinMode(led, OUTPUT);
  pinMode(bt, INPUT_PULLUP);

  Serial.println("Hello, ESP32!");
}

void loop() {
  // put your main code here, to run repeatedly:
 
  if (digitalRead(bt) == 0){
    digitalWrite(led, HIGH);
    Serial.println("led ligado");
  }else{
    digitalWrite(led, LOW);
  }

  for(int i=0; i<10; i++){
    Serial.println(i);  
  }
    Serial.println("------------------------");
 int cont=11;
  while(cont<20){
    Serial.println(cont);
    cont++;
  }
  Serial.println("------------------------");
  delay(100); // this speeds up the simulation
}