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

#define ONE_WIRE_BUS 23 //define the pin for the OneWire bus

OneWire oneWire(ONE_WIRE_BUS); //create OneWire object
DallasTemperature sensors(&oneWire); //create DallasTemperature object

float OutTemp_Sensor1, OutTemp_Sensor2; //variables to store temperature readings
float average_Out_Temp; //variable to store average temperature OutTemp_Sensor1, OutTemp_Sensor2

void setup() {
  Serial.begin(115200); //initialize serial communication
  sensors.begin(); //initialize DallasTemperature library
}

void loop() {
  sensors.requestTemperatures(); //request temperature readings from sensors
  OutTemp_Sensor1 = sensors.getTempCByIndex(0); //get temperature reading from first sensor
  OutTemp_Sensor2 = sensors.getTempCByIndex(1); //get temperature reading from second sensor
  average_Out_Temp = (OutTemp_Sensor1 + OutTemp_Sensor2) / 2; //calculate average temperature
  Serial.print("OutTemp: "); //print label
  Serial.print(average_Out_Temp); //print average temperature
  Serial.println(" °C"); //print units
  delay(1000); //wait for 1 second before taking next reading
}

//Code sourced from: https://create.arduino.cc/projecthub/Arduino_Genuino/using-ds18b20-temperature-sensor-1-wire-1cfc9f