#include <LiquidCrystal_I2C.h>
#include <Servo.h>

#define leda 1
#define ledb 2
#define ledc 3
#define buzzer 4
#define button1 5
#define buttonplus 11
#define buttonmin 12
#define PIN_TRIG 9
#define PIN_ECHO 10
Servo myservo;

int status1;
int statusplus;
int statusminus;
int duration;
int condition;
int nilai = 0;
  
LiquidCrystal_I2C lcd(0x27,20,4);

void setup() 
{
  lcd.init();              
  lcd.backlight();

  Serial.begin(115200);
  myservo.attach(8);
  pinMode(leda, OUTPUT);
  pinMode(ledb, OUTPUT);
  pinMode(ledc, OUTPUT);

  pinMode(PIN_TRIG, OUTPUT);
  pinMode(PIN_ECHO, INPUT);
  
  pinMode(buzzer, OUTPUT);
  pinMode(button1, INPUT_PULLUP);

  pinMode(buttonplus, INPUT_PULLUP);
  pinMode(buttonmin, INPUT_PULLUP);

  lcd.setCursor(0,0);
  lcd.print("Falah");
  lcd.setCursor(0,1);
  lcd.print("SMAN 5 SMD");
  delay(1000);
  lcd.clear();
}

void loop()
{
 display();
}


void display()
{
   
  statusplus = digitalRead(buttonplus);
  statusminus = digitalRead(buttonmin);
  lcd.setCursor(0,0);
  lcd.print("nilai : ");
  lcd.print(nilai);
  if(statusplus == 0)
  {
    nilai++;
  }
  if(statusminus == 0)
  {
    nilai--;
  }
  delay(10);
}
// unfinished project