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

#define ONE_WIRE_BUS 4 // Pin GPIO 4 (GP4) para el sensor DS18B20

OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);

float tempC;
float tempMin = 20;
float tempMax = 30;

void setup() {
  Serial.begin(9600);
  sensors.begin();
}

void loop() {
  sensors.requestTemperatures();
  tempC = sensors.getTempCByIndex(0);
  
  Serial.print("Temperatura: ");
  Serial.print(tempC);
  Serial.println(" °C");
  
  delay(1000);
}