const int Btn= 13;
bool stateBtnIni = LOW;
bool stateBtnFin = LOW;
int count = 0;


void setup() {
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(Btn, INPUT_PULLUP);
}

void loop() {
  stateBtnIni = digitalRead(Btn);
  delay(100);
  stateBtnFin = digitalRead(Btn);
  if (stateBtnIni == HIGH && stateBtnFin == LOW){
    count++;
    Serial.println(count);
  }

}