// No initial gpio declaration
// gpio for OneWire bus will be set during setup


#include <OneWire.h>
#include <DallasTemperature.h>

int Nbr_DS18B20 = 0;
OneWire ds;  // OneWire ds(4);
DallasTemperature sensors(&ds);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  ds.begin(4);
  sensors.begin();
  Nbr_DS18B20 = sensors.getDeviceCount();
  Serial.println(Nbr_DS18B20);
  sensors.requestTemperatures();  // blocking ?
  Serial.println(sensors.getTempCByIndex(0));
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}