// 参照: https://www.makerguides.com/ds18b20-arduino-tutorial/

#include "OneWire.h"
#include "DallasTemperature.h"

const uint8_t ONE_WIRE_BUS = 2;

OneWire oneWire(ONE_WIRE_BUS);

DallasTemperature sensor(&oneWire);

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

  sensor.begin();
}

float temperatureCelsius    = 0.0; // 摂氏
float temperatureFahrenheit = 0.0; // 華氏
void loop() {
  sensor.requestTemperatures();

  // 各温度の取得
  temperatureCelsius    = sensor.getTempCByIndex(0);
  temperatureFahrenheit = sensor.getTempFByIndex(0);

  // 各温度の表示
  Serial.print("現在の温度: ");
  Serial.print(temperatureCelsius);
  Serial.print(" [℃] / ");
  Serial.print(temperatureFahrenheit);
  Serial.println( " [°F]");

  delay(1000);
}