#include <TM1637TinyDisplay.h>
#include <Wire.h>
#include <RTClib.h>
#include <LiquidCrystal_I2C.h>

#define CLK 2  // Define the clock pin for TM1637
#define DIO 3  // Define the data pin for TM1637
#define PIN_NTC A0
#define ledPin 13

TM1637TinyDisplay display(CLK, DIO);
RTC_DS1307 rtc;
LiquidCrystal_I2C lcd(0x27, 16, 2);

const float BETA = 3950; 
int ntc ;
int celcius; 

void setup() {
  Serial.begin(9600);
  pinMode(PIN_NTC, INPUT);
  pinMode(ledPin, OUTPUT);

  Wire.begin();
  rtc.begin();
  display.begin();
  lcd.init();
  lcd.backlight();

  // Display name and NIM on LCD
  lcd.setCursor(0, 0);
  lcd.print("DWIFANI");
  lcd.setCursor(0, 1);
  lcd.print("230205601003");
  delay(3000);
  lcd.clear();
}

void loop() {
  // Read temperature from NTC sensor
  int ntcValue = analogRead(PIN_NTC);
  float tempK = 1 / (log(1 / (1023.0 / ntcValue - 1)) / BETA + 1.0 / 298.15);  // Kelvin
  int celcius = tempK - 273.15;  // Celsius

  // Display temperature on 7-segment display
  display.showNumberDec(celcius);

  // Get current time from RTC
  DateTime now = rtc.now();

  // Display time on LCD
  lcd.setCursor(0, 0);
  lcd.print(now.hour());
  lcd.print(':');
  lcd.print(now.minute());
  lcd.print(':');
  lcd.print(now.second());

  // Check LED condition
  if (celcius > 30 || now.second() < 12) {
     digitalWrite(ledPin, HIGH);
     lcd.setCursor(0,1);
     lcd.print("LED : NYALA");
  }else{
    digitalWrite(ledPin, LOW);
    lcd.setCursor(0,1);
    lcd.print("LED: MATI");
  }

  delay(1000);
}