#include <Adafruit_MLX90614.h>
#include <Stepper.h>
#include <Buzzer.h>
#include <LiquidCrystal.h>

const int stepsPerRevolution = 50;

Adafruit_MLX90614 mlx = Adafruit_MLX90614();
LiquidCrystal lcd(6, 11, 5, 4, 3, 2);
Stepper myStepper(stepsPerRevolution, 7, 8, 9, 10);

float Ambient_C=0,Object_C=0,Ambient_F=0,Object_F=0;

void setup() {
  lcd.begin(16, 2);
  Serial.begin(9600);
  pinMode(13, OUTPUT);
  pinMode(12, OUTPUT);
  myStepper.setSpeed(60);
  mlx.begin();
  pinMode(A5, OUTPUT);
}

void loop() {
  Ambient_C=mlx.readAmbientTempC();
  Object_C=mlx.readObjectTempC();
  Ambient_F=mlx.readAmbientTempF();
  Object_F=mlx.readObjectTempF();

  if (Object_C > 37.5) {
    lcd.clear();
    digitalWrite(A5, HIGH);
    lcd.print(F("Temp:"));
    lcd.print(Object_C);
    lcd.print(F("°C"));
    digitalWrite(12, LOW);
    digitalWrite(13, HIGH);
    myStepper.step(0);
    delay(500);
  }  else {
    if (Object_C >= 34.5 && Object_C<=37.5) {
      lcd.clear();
      digitalWrite(A5, LOW);
      lcd.print(F("Temp:"));
      lcd.print(Object_C);
      lcd.print(F("°C"));
      digitalWrite(12, HIGH);
      digitalWrite(13, LOW);
      myStepper.step(stepsPerRevolution);
      myStepper.step(0);
    }
    if (Object_C < 34.5) {
      lcd.clear();
      digitalWrite(A5, LOW); 
      lcd.print(F("Temp:"));
      lcd.print(Object_C);
      lcd.print(F("°C"));
      digitalWrite(12, LOW);
      digitalWrite(13, LOW);  
      myStepper.step(0);
    }
  }

  delay(1000);
}