#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <OneWire.h>
#include <DallasTemperature.h>

#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64

// OLED
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

// Pin del sensor 1-Wire
#define ONE_WIRE_BUS D0

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

void setup() {

  Serial.begin(115200);

  // Inicializar OLED
  if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println("OLED no encontrada");
    while (true);
  }

  // Inicializar sensor
  sensors.begin();

  display.clearDisplay();
  display.setTextSize(2);
  display.setTextColor(SSD1306_WHITE);
}

void loop() {

  sensors.requestTemperatures();

  float temperature = sensors.getTempCByIndex(0);

  Serial.print("Temperatura: ");
  Serial.println(temperature);

  display.clearDisplay();

  display.setCursor(0, 10);
  display.print("Temp:");

  display.setCursor(0, 35);
  display.print(temperature);
  display.print(" C");

  display.display();

  delay(1000);
}