#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);
#define merah          19
#define hijau          18
#define tombol_hijau   5
#define tombol_merah   17
 void setup() {
  // put your setup code here, to run once:
  lcd.backlight(); lcd.init();
  lcd.setCursor(0,0); lcd.print("PANDU ARYA");    
  pinMode(merah,OUTPUT);
  pinMode(hijau,OUTPUT);
  pinMode(tombol_hijau,INPUT_PULLUP);
  pinMode(tombol_merah,INPUT_PULLUP);
lcd.setCursor(2,1); lcd.print("COBA PENCET");
 }

void loop() {

   if(digitalRead(tombol_hijau)==LOW) {
   digitalWrite(merah, HIGH);
   digitalWrite(hijau, HIGH);
   lcd.setCursor (2,1); lcd.print("TERIMAKASIH");
}
else   if(digitalRead(tombol_merah)==LOW) {
  digitalWrite(merah, LOW);
  digitalWrite(hijau, LOW);
}

}