int pinLed = 4; 
int pinldr = 6;
int pinPir = 8;
#include <LiquidCrystal_I2C.h>;
#include <Wire.h>;
LiquidCrystal_I2C lcd(0x27, 16, 1);

void setup() {
  // put your setup code here, to run once:
pinMode(4, OUTPUT);
pinMode(6, INPUT);
pinMode(8, INPUT);
lcd.init();
lcd.backlight();
}

void loop() {
  // put your main code here, to run repeatedly:
lcd.begin(16, 2);
lcd.setCursor(0,1);
lcd.print ("Keadaan:");
lcd.setCursor(0,0);
lcd.print ("Gerakan:");
 if(digitalRead(pinldr) == HIGH){
  lcd.setCursor(9,1);
  lcd.print("Gelap");
  if(digitalRead(pinPir) == HIGH){
    digitalWrite(4, HIGH);
    lcd.setCursor(9,0);
    lcd.print("Positif");
  }else{
    digitalWrite(4, LOW);
    lcd.setCursor(9,0);
    lcd.print("Negatif");
  }
 }else {
  lcd.setCursor(9,1);
  lcd.print("Cerah");
  if(digitalRead(pinPir) == HIGH){
    digitalWrite(4, LOW);
    lcd.setCursor(9,0);
    lcd.print("Positif");
  }else{
    digitalWrite(4, LOW);
    lcd.setCursor(9,0);
    lcd.print("Negatif");
  }
 }
}