#include <Wire.h> 
#include <LiquidCrystal_I2C.h>
#include <LedControl.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);
LedControl lc=LedControl(12, 11, 10, 1); // Pin numbers for the dot matrix (data, clock, load, number of max7219 chips)

const int buzzerPin1 = 2;
const int buzzerPin2 = 3;
const int buzzerPin3 = 4;

const int buttonPin1 = 5;
const int buttonPin2 = 6;
const int buttonPin3 = 7;
const int buttonPin4 = 8;
const int buttonPin5 = 9;

void setup() {
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("Nama: John Doe");
  lcd.setCursor(0, 1);
  lcd.print("NIM: 1234567890");

  pinMode(buzzerPin1, OUTPUT);
  pinMode(buzzerPin2, OUTPUT);
  pinMode(buzzerPin3, OUTPUT);

  pinMode(buttonPin1, INPUT_PULLUP);
  pinMode(buttonPin2, INPUT_PULLUP);
  pinMode(buttonPin3, INPUT_PULLUP);
  pinMode(buttonPin4, INPUT_PULLUP);
  pinMode(buttonPin5, INPUT_PULLUP);

  lc.shutdown(0, false);  // Wake up the display
  lc.setIntensity(0, 8);  // Set the brightness (0-15)
  lc.clearDisplay(0);     // Clear the display
}

void loop() {
  // Check for button presses and trigger actions
  if (digitalRead(buttonPin1) == LOW) {
    playBuzzer(buzzerPin1, 1000);
    displayDotMatrix("Hello");
    delay(500);
  }

  if (digitalRead(buttonPin2) == LOW) {
    playBuzzer(buzzerPin2, 1500);
    // Add more actions or functions as needed
    delay(500);
  }

  if (digitalRead(buttonPin3) == LOW) {
    playBuzzer(buzzerPin3, 2000);
    // Add more actions or functions as needed
    delay(500);
  }

  // Add more conditions for other buttons if needed

  // Main program logic if needed
}

void playBuzzer(int buzzerPin, int frequency) {
  tone(buzzerPin, frequency, 500);
  delay(100);
  noTone(buzzerPin);
}

void displayDotMatrix(String text) {
  for (int i = 0; i < text.length(); i++) {
    char character = text.charAt(i);
    int asciiValue = character;
    lc.setChar(0, i, asciiValue, false);
  }
}