C_and_F

//This sketch is use the DS18B20 Liquid Temperature sensor taking readings at 1 second intervals and printing them to the serial monitor

#include <OneWire.h>  //Includes OneWire Library
#include <DallasTemperature.h> //Includes DallasTemperature Library

#define ONE_WIRE_BUS 8 //Yellow DS18B20 Signal Wire Connected to Arduino Pin 8

OneWire oneWire(ONE_WIRE_BUS); // Setup a oneWire instance to communicate with any OneWire devices
// (not just Maxim/Dallas temperature ICs)
DallasTemperature sensors(&oneWire); //Pass our oneWire reference to Dallas Temperature.

float Celsius = 0; //Creates a float variable (decimal) to store the Celsius Temperature Readings and Initializes it to 0
float Fahrenheit = 0; //Creates a float variable (decimal) to store the Fahrenheit Temperature Readings and Initializes it to 0

void setup() {
  sensors.begin(); //Starts the sensor working
  Serial.begin(9600); //Starts the serial monitor for someone where view the readings and debug code
}

void loop() {
  sensors.requestTemperatures(); //Send the command to get temperature readings

  Celsius = sensors.getTempCByIndex(0); //Stores Celsius Reading to Celsius Variable
  Fahrenheit = sensors.toFahrenheit(Celsius); //Stores Fahrenheit Reading to Celsius Variable

  Serial.print(Celsius); //Prints Celsius Variable Value to Serial Monitor
  Serial.print("°C  "); //Prints C Symbol to Serial Monitor - Note: To get degree symbol hold down Alt while pressing 248
  Serial.print(Fahrenheit); //Prints Fahrenheit Variable Value to Serial Monitor
  Serial.println("°F"); //Prints F Symbol to Serial Monitor - Note: To get degree symbol hold down Alt while pressing 248

  delay(1000); //Delays 1000 ms = 1 second between readings - i.e. the frequency of readings
}

//Reference: https://create.arduino.cc/projecthub/TheGadgetBoy/ds18b20-digital-temperature-sensor-and-arduino-9cc806