// Define the GPIO pins for the LEDs
const int redPin = 27;
const int yellowPin = 26;
const int greenPin = 25;

void setup() {
  // Initialize the serial monitor
  Serial.begin(115200);

  // Set the LED pins as OUTPUT
  pinMode(redPin, OUTPUT);
  pinMode(yellowPin, OUTPUT);
  pinMode(greenPin, OUTPUT);
}

void loop() {
  // Red light ON, Green and Yellow OFF
  digitalWrite(greenPin, LOW);
  digitalWrite(yellowPin, LOW);
  digitalWrite(redPin, HIGH);
  Serial.println("ruk re g...");
  delay(30000); // Red light for 5 seconds
 
  // Yellow light ON, Green and Red OFF
  digitalWrite(yellowPin, HIGH);
  digitalWrite(redPin, LOW);
  Serial.println("readyfor fu...");
  delay(20000); // Yellow light for 2 seconds

  // Green light ON, Red and Yellow OFF
  digitalWrite(greenPin, HIGH);
  digitalWrite(redPin, LOW);
  digitalWrite(yellowPin, LOW);
  Serial.println("nikal re l....");
  delay(15000); // Green light for 5 seconds
}
#include <Adafruit_GFX.h>
#include <Max72xxPanel.h>

// Pin configuration for the LED Matrix
#define DATA_PIN   23
#define CLOCK_PIN  18
#define LOAD_PIN   5
#define MAX_DEVICES 1  // Number of 8x8 matrices connected

// Create an object for the MAX72xx panel
Max72xxPanel matrix = Max72xxPanel(DATA_PIN, CLOCK_PIN, LOAD_PIN, MAX_DEVICES);

void setup() {
  matrix.setIntensity(5);  // Set brightness (0 to 15)
  matrix.setRotation(0);   // Set rotation (0, 90, 180, 270)
  matrix.fillScreen(LOW);  // Clear the screen (fill with black)
}

void loop() {
  matrix.fillScreen(LOW);  // Clear the screen
  matrix.setCursor(0, 0);  // Start drawing from the top left corner

  // Display "HELLO" using a built-in font
  matrix.print("HELLO");

  // Scroll the message across the screen
  matrix.write();  // Update the matrix
  delay(200);      // Add a delay for better readability
}