#include <OneWire.h>
#include <DallasTemperature.h>
// Create a OneWire instance to communicate with the DS18B20 temperature sensor
OneWire oneWire(10);
// Create a DallasTemperature instance to interface with the OneWire bus
DallasTemperature sensor(&oneWire);
// Define the pin connected to the LED
int LED = 5;

void setup(void) {
  // Start serial communication with a baud rate of 9600
  Serial.begin(9600);
  delay(2);
  // Initialize the DallasTemperature sensor library
  sensor.begin();
  delay(20);
  // Set the LED pin as an output pin
  pinMode(LED, OUTPUT);
}

void loop(void) {
  // Request temperature readings from the DS18B20 sensor
  sensor.requestTemperatures();
  
  // Print the temperature in Celsius to the serial monitor
  Serial.print("Temperature is: ");
  delay(10);
  // Read the temperature value in Celsius from the sensor
  int value = sensor.getTempCByIndex(0);
  // Print the temperature value to the serial monitor
  Serial.println(value);
  
  // Map the temperature value to LED brightness range (from -127°C to 125°C to 0-255 brightness)
  int ledbrightness = map(value, -127, 125, 0, 255);
  // Print the mapped LED brightness value to the serial monitor
  Serial.println(ledbrightness);
  
  // Set the LED brightness based on the mapped temperature value
  analogWrite(LED, ledbrightness);
  
  // Delay for 1 second before taking the next temperature reading
  delay(1000);
}