#include <LiquidCrystal.h>

// Initialize the library with the numbers of the interface pins
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

// Seven-segment display pin definitions
int segmentPins[] = {6, 7, 8, 9, 10, 13, A0, A1}; // Including DP pin

void setup() {
  // Set up the LCD's number of columns and rows:
  lcd.begin(16, 2);

  // Set up the seven-segment display pins as outputs
  for (int i = 0; i < 8; i++) {
    pinMode(segmentPins[i], OUTPUT);
  }
}

void loop() {
  // Display on the LCD
  lcd.setCursor(0, 0);
  lcd.print("Hello, World!");

  // Display on the Seven-Segment Display with DP
  displayDigitWithDP(8, true); // Display the digit 8 with DP
  delay(2000); // Display for 2 seconds
}

// Function to display a digit on the Seven-Segment Display with DP
void displayDigitWithDP(int digit, boolean dp) {
  // Define the seven-segment display patterns for each digit from 0 to 9
  byte patterns[10][8] = {
    {1, 1, 1, 1, 1, 1, 0, 0}, // 0 with DP
    {0, 1, 1, 0, 0, 0, 0, 0}, // 1 with DP
    // ... other patterns for digits 2 through 9
  };

  // Set the DP pin
  digitalWrite(segmentPins[7], dp);

  // Display the corresponding pattern on the seven-segment display
  for (int i = 0; i < 7; i++) {
    digitalWrite(segmentPins[i], patterns[digit][i]);
  }
}