#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd (0x27, 16, 2);

int pir = 8;
int led = 6;
int pirval = 0;
int state = LOW;

void setup() {
  Serial.begin(9600);
  pinMode (pir, INPUT);
  pinMode (led, OUTPUT);
  lcd.init();
  lcd.backlight();
  lcd.setCursor(2,0);
  lcd.print("KELOMPOK C-3");
  lcd.setCursor(1,1);
  lcd.print("MINI PROJECT 5");
  delay(2000);
  lcd.clear();
  lcd.setCursor (2,0);
  lcd.print("KELOMPOK C-3");
  lcd.setCursor(0,1);
  lcd.print("PENDETEKSI GERAK");
  delay(2000);
}

void loop() {
  pirval = digitalRead(pir);
  if (pirval == HIGH){
    delay(100);
    
    if (state == HIGH){
    Serial.println ("Motion Detected");
    lcd.clear();
    lcd.setCursor(5,0);
    lcd.print("MOTION");
    lcd.setCursor(4,1);
    lcd.print("DETECTED");
    delay(1500);
    lcd.clear();
    lcd.setCursor(2,0);
    lcd.print("TURN ON LAMP");
    digitalWrite(led, HIGH);
    state = LOW;
    }
  }
  else 
  {
    //digitalWrite(redled, HIGH);
    delay(200);

    if (state == LOW){
    Serial.println ("Motion Stopped");
    state = HIGH;
    lcd.clear();
    lcd.setCursor(3,0);
    lcd.print("NO MOTION");
    lcd.setCursor(4,1);
    lcd.print("DETECTED");
    delay(1500);
    lcd.clear();
    lcd.setCursor(1,0);
    lcd.print("TURN OFF LAMP");
    digitalWrite(led, LOW);
    }
  }
}