#include <LiquidCrystal_I2C.h>
#include <Wire.h>
int Pir = 13;
int Led = 12;
int Ldr = 11;
LiquidCrystal_I2C lcd(0x27, 16, 2);
void setup() {
  pinMode(11,INPUT);
  pinMode(12,OUTPUT);
  pinMode(13, INPUT);
  lcd.setCursor(0,0);
  lcd.print("GERAKAN");
  lcd.begin(16,2);
  lcd.backlight();
}
void loop() {
  if (digitalRead(Pir) == HIGH){
    lcd.setCursor(0, 0);
    lcd.println("GELAP");
    if (digitalRead(Pir) == HIGH){
      digitalWrite(12, HIGH);
      lcd.setCursor(0,1);
      lcd.print("BERGERAK");}
    else{
      digitalWrite(12, LOW);
      lcd.setCursor(0,1);
      lcd.print("TAK GERAK");}
  } else {
    lcd.setCursor(0,0);
    lcd.print("CAHAYA");
    if (digitalRead(Pir) == HIGH){
      digitalWrite(12, LOW);
      lcd.setCursor(0, 1);
      lcd.print("BERGERAK");
    }else{
      digitalWrite(12, LOW);
      lcd.setCursor(0, 1);
      lcd.print("TAK GERAK");
    }
  }
  delay(1000);
}