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

#define ONE_WIRE_BUS 34
int led = 33;

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

void setup() {
  Serial.begin(115200);
  sensors.begin();
  pinMode(led, OUTPUT);
}

void loop() {
  sensors.requestTemperatures();
  float tempC = sensors.getTempCByIndex(0);
  Serial.println(tempC);

  if (tempC >= 30.0) { // Example threshold
    digitalWrite(led, HIGH);
  } else {
    digitalWrite(led, LOW);
  }

  delay(1000);
}