// SULTAN HAKIM RAMDHANI
// +6285777786590
// [email protected]

// Kode Alarm Sensor Gerak 
// www.TeknikElektro.com 

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

int WaktuKalibrasi = 10;
int PinSensorPIR = 6;
int PinBuzzer = 7;

void setup() 
{
  // inisialisasikan code untuk persiapan:
Serial.begin(9600);
lcd.begin();
lcd.backlight();

pinMode (PinSensorPIR, INPUT);
pinMode (PinBuzzer, OUTPUT);
digitalWrite(PinSensorPIR, LOW);

lcd.setCursor(1,0);
lcd.print("Sedang Kalibrasi");
delay(500);

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


Serial.println("Please wait, now calibrating the sensor....");
    for(int i = 0; i <= WaktuKalibrasi; i++)
      {
      Serial.print(((i*100)/WaktuKalibrasi));
      Serial.print("% ");      
      lcd.setCursor(12,1);
      lcd.print(((i*100)/WaktuKalibrasi));
      lcd.print("%");
      Serial.println("Selesai.....");
      delay(1000);
      }
    Serial.println("Kalibrasi Sensor Selesai");
    Serial.println("** SENSOR AKTIF **");
    delay(50);

lcd.clear(); 
lcd.setCursor(1,0);
lcd.print(" Selesai ");
delay(500);

lcd.setCursor(0,1);
lcd.print(" SENSOR AKTIF! ");
delay(2000);

}

void loop() 
{
  // put your main code here, to run repeatedly:
if(digitalRead(PinSensorPIR) == HIGH)
     {
       digitalWrite(PinBuzzer, HIGH);
       Serial.println("----------------------------");
       Serial.println("** ALARM! MALING **");
       Serial.println("----------------------------");
       Serial.println("");

       lcd.clear();
       lcd.setCursor(1,0);
       lcd.print(" ALARM! ALARM! ");
       lcd.setCursor(0,1);
       lcd.print("ADA MALING!");
       delay(10000);   
   }
    
     else
     {
       digitalWrite(PinBuzzer, LOW);
       lcd.clear();
       lcd.setCursor(1,0);
       lcd.print("Alarm");
       lcd.setCursor(0,1);
       lcd.print("Ada Gerakan ");
       delay(10000);    
     }
}