/*
 * This ESP32 code is created by esp32io.com
 *
 * This ESP32 code is released in the public domain
 *
 * For more detail (instruction and wiring diagram), visit https://esp32io.com/tutorials/esp32-temperature-sensor
 */

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

#define SENSOR_PIN  19 // ESP32 pin GIOP17 connected to DS18B20 sensor's DATA pin

OneWire oneWire(SENSOR_PIN);
DallasTemperature DS18B20(&oneWire);

float tempC; // temperature in Celsius
float tempF; // temperature in Fahrenheit

void setup() {
  Serial.begin(9600); // initialize serial
  DS18B20.begin();    // initialize the DS18B20 sensor
}

void loop() {
  DS18B20.requestTemperatures();       // send the command to get temperatures
  tempC = DS18B20.getTempCByIndex(0);  // read temperature in °C
  tempF = tempC * 9 / 5 + 32; // convert °C to °F

  Serial.print("Temperature: ");
  Serial.print(tempC);    // print the temperature in °C
  Serial.print("°C");
  Serial.print("  ~  ");  // separator between °C and °F
  Serial.print(tempF);    // print the temperature in °F
  Serial.println("°F");

  delay(500);
}