#include <Wire.h>  // Include the Wire library for I2C communication
#include <LiquidCrystal_I2C.h>

// Define LCD properties
LiquidCrystal_I2C lcd(0x27, 16, 2);  // Set the I2C address and LCD dimensions

int red = 7;
int yel = 6;
int gre = 5;
int button = 4;
int d = 2000;

void setup() {
  // put your setup code here, to run once:
  pinMode(button, INPUT_PULLUP);
  pinMode(red, OUTPUT);
  pinMode(yel, OUTPUT);
  pinMode(gre, OUTPUT);
  Serial.begin(9600);
  lcd.init();        // Initialize the LCD
  lcd.backlight();   // Turn on the backlight
  lcd.print("Tahan tombol");
  lcd.setCursor(0,1);
  lcd.print("untuk menyebrang"); // Print initial text on the LCD
}

void loop() {
  if (digitalRead(button) == LOW) {
    Serial.println("Button pressed");
    lcd.clear();
    lcd.print("Waktu menyebrang");
    lcd.setCursor(0,1);
    lcd.print("3 detik, Hati2");
    digitalWrite(red, HIGH);
    digitalWrite(yel, LOW);
    digitalWrite(gre, LOW);
    delay(3000);
  } else {

      lcd.clear();
      lcd.print("Tahan tombol");
      lcd.setCursor(0,1);
      lcd.print("untuk menyebrang"); // Print initial text on the LCD


    digitalWrite(red, HIGH);
    digitalWrite(yel, LOW);
    digitalWrite(gre, LOW);
    delay(d);
    digitalWrite(yel, HIGH);
    digitalWrite(red, LOW);
    digitalWrite(gre, LOW);
    delay(d);
    digitalWrite(gre, HIGH);
    digitalWrite(yel, LOW);
    digitalWrite(red, LOW);
    delay(d);
  }
}