display.txt

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

// Initialize the LCD with the I2C address (replace 0x27 if needed)
LiquidCrystal_I2C lcd(0x27, 16, 2);

// Pin Definitions for Buttons
const int bjpButton = 2;    // Button for BJP (Button 1)
const int aapButton = 3;    // Button for AAP (Button 2)
const int jduButton = 4;    // Button for JDU (Button 3)
const int othersButton = 5; // Button for Others (Button 4)
const int resetButton = 6;  // Button for Resetting the counts

// Variables to store the count of votes for each option
int BJP = 0;
int AAP = 0;
int JDU = 0;
int OTHERS = 0;

void setup() {
  // Initialize the LCD
  lcd.init();
  lcd.backlight();
  lcd.clear();

  // Start serial communication at 9600 baud rate
  Serial.begin(9600);  // This is required for serial communication

  // Display "Voting System" on the LCD at the beginning
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Voting System");
  delay(2000);  // Show "Voting System" message for 2 seconds

  // Show and scroll the options on the LCD
  displayScrollingText();
  
  // Configure Button Pins as Input with Pull-Up Resistors
  pinMode(bjpButton, INPUT_PULLUP);
  pinMode(aapButton, INPUT_PULLUP);
  pinMode(jduButton, INPUT_PULLUP);
  pinMode(othersButton, INPUT_PULLUP);
  pinMode(resetButton, INPUT_PULLUP);
}

void loop() {
  // Check if BJP Button (Button 1) is Pressed
  if (digitalRead(bjpButton) == LOW) {
    BJP++;  // Increment BJP votes
    displayMessage("BJP Selected");
    delay(1000); // Show the message for 1 second
    displayScrollingText(); // Show the options again after 1 second
    sendVoteCounts();  // Send current vote counts to serial
  }

  // Check if AAP Button (Button 2) is Pressed
  if (digitalRead(aapButton) == LOW) {
    AAP++;  // Increment AAP votes
    displayMessage("AAP Selected");
    delay(1000); // Show the message for 1 second
    displayScrollingText(); // Show the options again after 1 second
    sendVoteCounts();  // Send current vote counts to serial
  }

  // Check if JDU Button (Button 3) is Pressed
  if (digitalRead(jduButton) == LOW) {
    JDU++;  // Increment JDU votes
    displayMessage("JDU Selected");
    delay(1000); // Show the message for 1 second
    displayScrollingText(); // Show the options again after 1 second
    sendVoteCounts();  // Send current vote counts to serial
  }

  // Check if Others Button (Button 4) is Pressed
  if (digitalRead(othersButton) == LOW) {
    OTHERS++;  // Increment Others votes
    displayMessage("Others Selected");
    delay(1000); // Show the message for 1 second
    displayScrollingText(); // Show the options again after 1 second
    sendVoteCounts();  // Send current vote counts to serial
  }

  // Check if Reset Button is Pressed
  if (digitalRead(resetButton) == LOW) {
    displayMessage("Resetting...");
    delay(1000); // Show the reset message for 1 second
    lcd.clear(); // Clear the screen after reset message
    BJP = 0;   // Reset all counts
    AAP = 0;
    JDU = 0;
    OTHERS = 0;
    sendVoteCounts();  // Send reset event to serial
    displayScrollingText(); // Show the options again after reset
  }
}

// Function to Display Vote Party Message on the LCD
void displayMessage(String message) {
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print(message);
}

// Function to Scroll Options from Right to Left
void displayScrollingText() {
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("1 = BJP   2 = AAP   3 = JDU   4 = Others");

  // Scroll the text from right to left
  for (int i = 0; i < 24; i++) { // Adjust the number for the scroll length
    lcd.scrollDisplayLeft();
    delay(200); // Adjust the speed of the scroll
  }
}

// Function to Send Vote Counts to Serial Port
void sendVoteCounts() {
  Serial.print("BJP: "); Serial.print(BJP); 
  Serial.print(", AAP: "); Serial.print(AAP); 
  Serial.print(", JDU: "); Serial.print(JDU); 
  Serial.print(", Others: "); Serial.println(OTHERS);
}