#include <LiquidCrystal.h>
#include <Servo.h>

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
Servo servoMotor;

const int tempSensorPin = A5; 
const int redPin = 8; 
const int greenPin = 9; 
const int bluePin = 10; 

void setup() {
  
  lcd.begin(16, 2);
 
  pinMode(redPin, OUTPUT);
  pinMode(greenPin, OUTPUT);
  pinMode(bluePin, OUTPUT);
  servoMotor.attach(13);
}

void loop() {
  int tempReading = analogRead(tempSensorPin); 
  float voltage = tempReading * 5.0;
  voltage /= 1024.0; 
  float temperatureC = (voltage - 0.5) * 100; 
  float temperatureF = (temperatureC * 9.0 / 5.0) + 32.0; 


  lcd.setCursor(0, 0);
  lcd.print("Temp: ");
  lcd.print(temperatureC);
  lcd.print(" C");
  lcd.setCursor(0, 1);
  lcd.print("Temp: ");
  lcd.print(temperatureF);
  lcd.print(" F");

  
  if (temperatureC <= 23) {
    setColor(0, 255, 0); 
    servoMotor.write(0); 
  } else if (temperatureC > 23 && temperatureC < 30) {
    setColor(255, 255, 0); 
    servoMotor.write(45); 
  } else if (temperatureC >= 30) {
    setColor(255, 0, 0); 
    servoMotor.write(90); 
  }

  delay(1000); 
}

void setColor(int red, int green, int blue) {
  analogWrite(redPin, red);
  analogWrite(greenPin, green);
  analogWrite(bluePin, blue);
}