// Most basic example of ESP32 with DS18B20.

#include <DallasTemperature.h>

#define ONE_WIRE_BUS 25
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);

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

void loop() 
{
  sensors.requestTemperatures();
  delay(2000);
  float tempC = sensors.getTempCByIndex(0);

  if (tempC != DEVICE_DISCONNECTED_C)
  {
    Serial.print("Temperature: ");
    Serial.print(tempC);
    Serial.println("°C");
  }
  else
  {
    Serial.println("Sensor not found");
  }

  delay(500);
}