#include <OneWire.h> 
#include <DallasTemperature.h>
//#include <esp32-ds18b20.h>

#define DS18 4

OneWire oneWire(DS18); 
DallasTemperature sensorDallas(&oneWire);

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

void loop() {
  sensorDallas.requestTemperatures();
  Serial.println(sensorDallas.getTempCByIndex(0));
  delay(300); 
}