Script Alat Pendeteksi Gerakan Menggunakan Sensor PIR

#include <LiquidCrystal_I2C.h>  //i2C LCD Library
//download dulu library lcd_i2c nya di http://www.belajarduino.com/2016/12/new-i2c-lcd-library-with-auto-set.html

//Define your LCD 16x2 or 20x4
LiquidCrystal_I2C lcd( 16, 2);

int calibTime = 10;
int ledPinDanger = 5;
int pirSensor = 6;
int ledPin = 7;

void setup()
{
 //Aktifkan serial jika ingin melihat notifikasi di Serial monitor
 Serial.begin (9600);

 //auto set i2c lcd address
 lcd.autoAddress();
 //memulai lcd
 lcd.begin();

  Serial.begin(9600);
  pinMode(pirSensor, INPUT);
  pinMode(ledPin, OUTPUT);
  pinMode(ledPinDanger, OUTPUT);
  digitalWrite(pirSensor, LOW);

  lcd.setCursor(1,0);
  lcd.print("Mengkalibrasi");
  delay(500);
  lcd.setCursor(0,1);
  lcd.print("Sensor....");

   Serial.println("Tunggu.., Mengkalibasi Sensor....");
    for(int i = 0; i <= calibTime; i++){
      Serial.print(((i*100)/calibTime));
      Serial.print("% ");
      lcd.setCursor(12,1);
      lcd.print(((i*100)/calibTime));
      lcd.print("%");
      Serial.println("Selesai.....");
      delay(1000);
      }
    Serial.println("Kalibasi Sukses.");
    Serial.println("** SENSOR AKTIV **");
    delay(50);

  lcd.clear();
  lcd.setCursor(1,0);
  lcd.print(" Selesai ");
  delay(500);
  lcd.setCursor(0,1);
  lcd.print(" SENSOR AKTIV! ");
  delay(2000);

}



void loop()
{
 motionDetected();
}

void motionDetected(){
  if(digitalRead(pirSensor) == HIGH){
    digitalWrite(ledPin, HIGH);
    digitalWrite(ledPinDanger, LOW);
       Serial.println("----------------------------");
       Serial.println("** ALARM! Pendeteksi Gerak **");
       Serial.println("----------------------------");
       Serial.println("");

       lcd.setCursor(1,0);
       lcd.print("BAHAYA-BAHAYA! ");
       lcd.setCursor(0,1);
       lcd.print("ADA GERAKAN ! ");

       delay(10000);

  }else{
      digitalWrite(ledPin, LOW);
      digitalWrite(ledPinDanger, HIGH);
       lcd.setCursor(1,0);
       lcd.print(" KEADAAN NORMAL ");
       lcd.setCursor(0,1);
       lcd.print("Aman Aman Aman");
  }
}