#include <OneWire.h>
#include <DallasTemperature.h>
#include <Servo.h>
OneWire oneWire(2); // Data pin for temperature sensor
DallasTemperature sensors(&oneWire);
Servo myServo;  // Create servo object

float desiredTemperature = 3.0; // Default desired temperature in Celsius

void setup() {
  Serial.begin(9600);
  sensors.begin();
  myServo.attach(9);  // Servo connected to pin 9
  myServo.write(90);  // Initialize servo to middle position (neutral setting)
  Serial.println("Enter desired temperature (in Celsius):");
}

void loop() {
  if (Serial.available() > 0) {
    desiredTemperature = Serial.parseFloat(); // Read the user input from the serial monitor
    Serial.print("New desired temperature set to: ");
    Serial.println(desiredTemperature);
    // Clear the serial buffer
    while(Serial.available() > 0) {
      Serial.read();
    }
  }

  sensors.requestTemperatures(); // Send the command to get temperatures
  float tempC = sensors.getTempCByIndex(0); // Read temperature in Celsius
  Serial.print("Current Temperature: ");
  Serial.println(tempC);

  // Adjust the thermostat based on the current temperature vs desired temperature
  if (tempC < desiredTemperature) { // If temp is less than the desired temp
    myServo.write(180);  // Simulate turning the thermostat up (heating)
    Serial.println("Heating activated");
  } else if (tempC > desiredTemperature) { // If temp is more than the desired temp
    myServo.write(0);   // Simulate turning the thermostat down (cooling)
    Serial.println("Cooling activated");
  } else {
    myServo.write(90);  // Neutral position
    Serial.println("Thermostat on hold");
  }

  delay(10000); // Wait 10 seconds between readings
}