#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,  20, 4);
#define b1 A4
#define b2 A5

const int buttonOn = 5;    // Tombol untuk menyalakan inkubator
const int buttonOff = 6;   // Tombol untuk mematikan inkubator
const int buttonUp = 3;    // Tombol untuk menaikkan suhu
const int buttonDown = 4;  // Tombol untuk menurunkan suhu

bool isIncubatorOn = false;  // Status inkubator (mati saat mulai)
int targetTemperature = 35;  // Suhu target default
int currentTemperature = 25;  // Suhu saat ini (contoh)

void setup() {
  lcd.begin(16, 2); // Inisialisasi LCD 16x2
  lcd.print("Incubator Control");
  delay(1000);
  lcd.clear();
  displayTemperature();
  pinMode(buttonOn, INPUT);
  pinMode(buttonOff, INPUT);
  pinMode(buttonUp, INPUT);
  pinMode(buttonDown, INPUT);
}

void loop() {
  int onState = digitalRead(buttonOn);
  int offState = digitalRead(buttonOff);
  int upState = digitalRead(buttonUp);
  int downState = digitalRead(buttonDown);

  // Tombol ON ditekan, nyalakan inkubator
  if (onState == HIGH && !isIncubatorOn) {
    isIncubatorOn = true;
    lcd.clear();
    lcd.print("Incubator ON");
    delay(100); // Delay untuk mencegah bouncing
  }

  // Tombol OFF ditekan, matikan inkubator
  if (offState == HIGH && isIncubatorOn) {
    isIncubatorOn = false;
    lcd.clear();
    lcd.print("Incubator OFF");
    delay(100); // Delay untuk mencegah bouncing
  }

  // Tombol UP ditekan, naikkan suhu
  if (upState == HIGH && isIncubatorOn) {
    targetTemperature++;
    displayTemperature();
    delay(100); // Delay untuk mencegah bouncing
  }

  // Tombol DOWN ditekan, turunkan suhu
  if (downState == HIGH && isIncubatorOn) {
    targetTemperature--;
    displayTemperature();
    delay(100); // Delay untuk mencegah bouncing
  }

  // Simulasi perubahan suhu saat ini (contoh)
  if (currentTemperature < targetTemperature) {
    currentTemperature++;
  } else if (currentTemperature > targetTemperature) {
    currentTemperature--;
  }
  delay(500); // Delay simulasi perubahan suhu
}

// Fungsi untuk menampilkan suhu pada LCD
void displayTemperature() {
  lcd.clear();
  lcd.print("Target Temp: ");
  lcd.print(targetTemperature);
  lcd.print(" C");
  lcd.setCursor(0, 1);
  lcd.print("Current Temp: ");
  lcd.print(currentTemperature);
  lcd.print(" C");
}