//progran operator relasional
//By Rillef M
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);
int tombol_kuning;
int tombol_biru;
int nilai = 0; 

void setup() {
 lcd.init();
 lcd.backlight();
 lcd.clear();
 lcd.setCursor(0,0);
 lcd.print("PROJECT OPERATOR");
 lcd.setCursor(0,1);
 lcd.print("  RELASIONAL  ");
 delay(2000);
 lcd.clear();
 pinMode(2,INPUT_PULLUP);
 pinMode(3,INPUT_PULLUP);

}

void loop() {
  tombol_kuning = digitalRead(2);
  tombol_biru = digitalRead(3);
if(tombol_kuning == 0){
  nilai = nilai + 5;
}
  else if(tombol_biru == 0){
    nilai = nilai + 5;
}
if(nilai < 5){
lcd.setCursor(0,0);
lcd.print(nilai);
lcd.print("  ");
lcd.setCursor(0,1);
lcd.print("OPERATOR < ");
}
else if(nilai <= 10){
lcd.setCursor(0,0);
lcd.print(nilai);
lcd.print("  ");
lcd.setCursor(0,1);
lcd.print("OPERATOR <= ");
}

else if(nilai == 15){
  lcd.setCursor(0,0);
lcd.print(nilai);
lcd.print("  ");
lcd.setCursor(0,1);
lcd.print("OPERATOR == ");
}
else if(nilai >= 20 ){
   lcd.setCursor(0,0);
lcd.print(nilai);
lcd.print("  ");
lcd.setCursor(0,1);
lcd.print("OPERATOR >= ");
}
else if(nilai > 25){
  lcd.setCursor(0,0);
lcd.print(nilai);
lcd.print("  ");
lcd.setCursor(0,1);
lcd.print("OPERATOR > ");
}
delay(100);
}