#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <Servo.h>
#include <Keypad.h>

Servo myservo;

const int ledYellow = 12; // LED connected to digital pin 12
const int pirYellow = 1;  // PIR sensor connected to digital pin 1

LiquidCrystal_I2C lcd(0x27, 16, 2); // I2C address 0x27, 16 column and 2 rows
const int numRows = 4;
const int numCols = 4;

char keys[numRows][numCols] = {
  {'1','2','3','A'},
  {'4','5','6','B'},
  {'7','8','9','C'},
  {'*','0','#','D'}
};

byte pin_rows[numRows] = {9, 8, 7, 6}; // connect to the row pinouts of the keypad
byte pin_column[numCols] = {5, 4, 3, 10}; // connect to the column pinouts of the keypad
Keypad keypad = Keypad(makeKeymap(keys), pin_rows, pin_column, numRows, numCols);

void setup() {
  Serial.begin(9600);
  pinMode(ledYellow, OUTPUT);
  pinMode(pirYellow, INPUT);
  
  myservo.attach(45); // Servo motor connected to digital pin 11
  
  lcd.begin(16,2);
  lcd.backlight();

  lcd.print("Yesi Nurul Mutia");
  delay(2000);
  lcd.clear();
}

void loop() {
  // Read PIR sensor
  int pirValue = digitalRead(pirYellow);

  if (pirValue == HIGH) {
    digitalWrite(ledYellow, HIGH); // Turn on LED
    lcd.setCursor(0, 1);
    lcd.print("Gerakan Terdeteksi");
    lcd.print("Yesi Nurul Mutia");
    delay(1000);
    digitalWrite(ledYellow, LOW); // Turn off LED
    lcd.clear();
  }

  // Check for keypress
  char key = keypad.getKey();
  if (key) {
    lcd.clear();
    lcd.print("Key Pressed: ");
    lcd.setCursor(0, 1);
    lcd.print(key);
    delay(1000);
    lcd.clear();
  }

  // Read potentiometer
  int potValue = analogRead(A2);
  int angle = map(potValue, 0, 1023, 0, 180);
  myservo.write(angle);
  delay(15);

  // Additional code for other tasks can be added here
}