Wiring Setup:

Using this key and the TinkerCAD circuit drawing illustrated above, construct as shown

LCD Display Connections (Left to Right):

Pin 1: GND (via power rail)

Pin 2: 5V (via power rail)

Pin 3: Center pin of Potentiometer

Pin 4: Digital Pin 8

Pin 5: GND (via power rail)

Pin 6: Digital Pin 7

Pin 7-10: N/A

Pin 11: Digital Pin 5

Pin 12: Digital Pin 4

Pin 13: Digital Pin 3

Pin 14: Digital Pin 2

Pin 15: 5V (via power rail)

Pin 16: GND (via power rail)

Buttons:

Moderator Button: Digital Pin 1

Correct Guess Button: Pin A0

Wrong Guess Button: Digital Pin 9

Player 1 (Red) Button: Pin A3

Player 2 (Yellow) Button: Pin A4

Player 3 (Green) Button: Pin A5

Player 4 (Blue) Button: Pin A2

LEDs:

Player 1 (Red) LED: Digital Pin 13

Player 2 (Yellow) LED: Digital Pin 12

Player 3 (Green) LED: Digital Pin 11

Player 4 (Blue) LED: Digital Pin 10

/* Written by: Maya De Los Santos, Teddy Walinskas, and Esther Benasayag

* Last Update: 12/7/2020

* Resources used:

* https://www.arduino.cc/en/Tutorial/LibraryExamples/HelloWorld [LCD]

* https://www.arduino.cc/en/Tutorial/BuiltInExamples/Debounce [Debounce]

*/

#define NOTE_CS4 277

#define NOTE_D4 294

#define NOTE_F4 349

#define NOTE_G4 392

#define NOTE_GS4 415

#define NOTE_A4 440

#define NOTE_AS4 466

#define NOTE_B4 494

#define NOTE_C5 523

#define NOTE_CS5 554

#define NOTE_D5 587

#define NOTE_DS5 622

#define NOTE_E5 659

#define NOTE_F5 698

#define REST 0

#include <LiquidCrystal.h>

int ledState = LOW, lastButtonState = LOW; // Intialize Debounce States

unsigned long lastDebounceTime = 0, resetTime = 2000; // Initialize Debounce Variables

bool resetGame = false; // Set Reset Game to False

const int ledOne = 13, ledTwo = 12, ledThree = 11, ledFour =10; // Initalize LEDS

// Initalize Question Buttons

const int questionBOne = A3, questionBTwo = A4, questionBThree = A5, questionBFour = A2;

// Initalize Question Button States

int questionBOneState = 0, questionBTwoState = 0, questionBThreeState = 0, questionBFourState = 0;

// Initalize Speaker, Moderator, Guess, Category, & Start/End Buttons

const int speaker = 6, modB = 9, newCategoryB = 0, startEndB = 1;

const int delayBOne = A0, delayBTwo = A1; // Initalize Delay Buttons

int delayBStateOne = 0, delayBStateTwo = 0, delayBStateThree = 0; // Initalize Delay Button States

const long delayTime = 30000; // Set Delay Time

long startTime1 = 0, startTime2 = 0, startTime3 = 0; // Intialize StartTime# Variables

long currentTime1 = 0, currentTime2 = 0, currentTime3 = 0; // Intialize CurrentTime# Variables

bool ignorePlayer1 = false, ignorePlayer2 = false, ignorePlayer3 = false; // Initialize ignorePlayer# booleans

bool game = true;

const int board = 59;

int roundUpdate1, roundUpdate2, roundUpdate3, roundUpdate4;

LiquidCrystal lcd(8, 7, 5, 4, 3, 2); // Initialize the LCD

// Set Category Array

String categories[] = {"Animals", "Books/Literature", "Countries", "Famous Character", "Movies", "Musical Artists"};

// notes to play, "Harry Potter" theme song:

int notes[] = {

REST, NOTE_D4, NOTE_G4, NOTE_AS4, NOTE_A4, NOTE_G4, NOTE_D5, NOTE_C5, NOTE_A4,

NOTE_G4, NOTE_AS4, NOTE_A4, NOTE_F4, NOTE_GS4, NOTE_D4, NOTE_D4, NOTE_G4,

NOTE_AS4, NOTE_A4, NOTE_G4, NOTE_D5, NOTE_F5, NOTE_E5, NOTE_DS5, NOTE_B4,

NOTE_DS5, NOTE_D5, NOTE_CS5, NOTE_CS4, NOTE_B4, NOTE_G4};

void setup() {

// Assign components to INPUT/OUTPUT

pinMode(ledOne, OUTPUT); // Player 1's LED

pinMode(ledTwo, OUTPUT); // Player 2's LED

pinMode(ledThree, OUTPUT); // Player 3's LED

pinMode(ledFour, OUTPUT); // Player 4's LED

pinMode(questionBOne,INPUT_PULLUP); // Player 1's Button

pinMode(questionBTwo,INPUT_PULLUP); // Player 2's Button

pinMode(questionBThree,INPUT_PULLUP); // Player 3's Button

pinMode(questionBFour, INPUT_PULLUP); // Player 4's Button

pinMode(speaker, OUTPUT); // Game speaker

pinMode(modB, INPUT_PULLUP); // Moderator's button to signal winner

pinMode(startEndB, INPUT_PULLUP); // Start/End Game Button

pinMode(newCategoryB, INPUT_PULLUP); // New Category Button

pinMode(delayBOne,INPUT_PULLUP); // Player 1's Delay Button

pinMode(delayBTwo,INPUT_PULLUP); // Player 2's Delay Button

// Set up the LCD dimensions

lcd.begin(16, 2);

// Start Serial Monitor (Keep for TinkerCAD practice)

//Serial.begin(9600);

// Set intitial LED states

digitalWrite(ledOne, ledState);

digitalWrite(ledTwo, ledState);

digitalWrite(ledThree, ledState);

digitalWrite(ledFour, ledState);

// Set up srand() & rand()

randomSeed(analogRead(0));

random();

}

void loop() {

// Run through 31 notes listed above in notes array

for(int thisNote = 0; thisNote < 31; thisNote++){

tone(speaker, notes[thisNote], 120);

// Needed in order to differentiate between notes

int pause = 220 * 1.30;

delay(pause);

}

lcd.clear();

lcd.setCursor(0,0);

lcd.print(" Welcome to the Wizard Realm!!!");

for (int positionCounter = 0; positionCounter < 20; positionCounter++) {

// scroll one position left:

lcd.scrollDisplayLeft();

// wait a bit:

delay(150);

}

lcd.clear();

lcd.setCursor(0,0);

lcd.print(" Are you ready to prove your strength?");

for (int positionCounter = 0; positionCounter < 26; positionCounter++) {

// scroll one position left:

lcd.scrollDisplayLeft();

// wait a bit:

delay(150);

}

lcd.clear();

lcd.setCursor(0,0);

bool pause = true;

while (pause) {

int startEndBState = digitalRead(startEndB);

if (startEndBState == LOW) {

pause = false;

}

}

pause = true;

lcd.clear();

lcd.setCursor(0,0);

int placementPlayer1= 0, placementPlayer2 = 0, placementPlayer3 = 0, placementPlayer4 = 0;

while (game) {

// ------------------------------- Random Category Code --------------------------------

// Pick random number between 0 and categories' size

int choice = random(6);

String category = categories[choice];

// set the cursor to column 0, line 0

// (note: line 1 is the second row, since counting begins with 0):

lcd.clear();

lcd.setCursor(0, 0);

// Print randomly chosen game category to the LCD

lcd.print(category);

delay(1000);

// ------------------------------- Start/End Game Code ---------------------------------

int startEndBState = digitalRead(startEndB);

bool pause = true;

while (pause) {

startEndBState = digitalRead(startEndB);

if (startEndBState == LOW) {

pause = false;

}

}

if(startEndBState == LOW) {

resetGame = false; // Should either be inside or outside 'startEndState' if statement

// Start game greeting/countdown

lcd.clear();

countdown();

while(resetGame != true) {

// Reset debouncer timer

lastDebounceTime = millis();

// ------------------------------- Question Button Code -----------------------------

// Read the state of each pushbutton

questionBOneState = digitalRead(questionBOne);

questionBTwoState = digitalRead(questionBTwo);

questionBThreeState = digitalRead(questionBThree);

questionBFourState = digitalRead(questionBFour);

// If any guess button is pressed

if(questionBOneState == LOW) {

tone(speaker,196,125); // Turn on the speaker

questionReaction();

delay(1000);

delayBStateOne = digitalRead(delayBOne);

pause = true;

while (pause) {

delayBStateOne = digitalRead(delayBOne);

int modBState = digitalRead(modB);

if (delayBStateOne == LOW) {

pause = false;

}

if (modBState == LOW) {

pause = false;

}

}

if(delayBStateOne == LOW) {

lcd.clear();

lcd.setCursor(0,0);

lcd.print("Wizard 1 Wins");

lcd.setCursor(0,1);

lcd.print("Round");

digitalWrite(ledOne, HIGH);

delay(2000);

lcd.clear();

digitalWrite(ledOne, LOW);

resetGame = true;

roundUpdate1 = random(1,3);

lcd.setCursor(0,0);

lcd.print("Wizard 1 moves");

lcd.setCursor(0,1);

lcd.print(roundUpdate1);

lcd.setCursor(2,1);

lcd.print("spaces");

delay(3000);

lcd.clear();

lcd.setCursor(0,0);

int temp = roundUpdate1 + placementPlayer1;

if (temp == 10 || temp == 26 || temp == 45) {

roundUpdate1 = -3;

}

else if (temp == 15 || temp == 28) {

roundUpdate1 = 3;

}

else if (temp == 12) {

roundUpdate1 = 7;

}

else if (temp == 33) {

roundUpdate1 = -28;

}

else if (temp == 43) {

roundUpdate1 = -6;

}

else if (temp == 56) {

roundUpdate1 = -33;

}

roundUpdate2 = 0;

roundUpdate3 = 0;

roundUpdate4 = 0;

}

}

if(questionBTwoState == LOW) {

tone(speaker,196,125); // Turn on the speaker

questionReaction();

int delayBOneState = digitalRead(delayBOne);

pause = true;

while (pause) {

delayBOneState = digitalRead(delayBOne);

int modBState = digitalRead(modB);

if (delayBOneState == LOW) {

pause = false;

}

if (modBState == LOW) {

pause = false;

}

}

if (delayBOneState == LOW) {

lcd.clear();

lcd.setCursor(0,0);

lcd.print("Wizard 2 Wins");

lcd.setCursor(0,1);

lcd.print("Round");

lcd.setCursor(0,0);

digitalWrite(ledTwo, HIGH);

delay(2000);

lcd.clear();

digitalWrite(ledTwo, LOW);

resetGame = true;

roundUpdate1 = 0;

roundUpdate2 = random(1,3);

lcd.setCursor(0,0);

lcd.print("Wizard 2 moves");

lcd.setCursor(0,1);

lcd.print(roundUpdate2);

lcd.setCursor(2,1);

lcd.print("spaces");

delay(3000);

lcd.clear();

lcd.setCursor(0,0);

int temp = roundUpdate2 + placementPlayer2;

if (temp == 10 || temp == 26 || temp == 45) {

roundUpdate2 = -3;

}

else if (temp == 15 || temp == 28) {

roundUpdate2 = 3;

}

else if (temp == 12) {

roundUpdate2 = 7;

}

else if (temp == 33) {

roundUpdate2 = -28;

}

else if (temp == 43) {

roundUpdate2 = -6;

}

else if (temp == 56) {

roundUpdate2 = -33;

}

roundUpdate3 = 0;

roundUpdate4 = 0;

}

}

if(questionBThreeState == LOW) {

tone(speaker,196,125); // Turn on the speaker

questionReaction();

delay(1000);

delayBStateOne = digitalRead(delayBOne);

while (pause) {

delayBStateOne = digitalRead(delayBOne);

int modBState = digitalRead(modB);

if (delayBStateOne == LOW) {

pause = false;

}

if (modBState == LOW) {

pause = false;

}

}

if(delayBStateOne == LOW){

lcd.clear();

lcd.setCursor(0,0);

lcd.print("Wizard 3 Wins");

lcd.setCursor(0,1);

lcd.print("Round");

digitalWrite(ledThree, HIGH);

delay(2000);

lcd.clear();

digitalWrite(ledThree, LOW);

resetGame = true;

roundUpdate1 = 0;

roundUpdate2 = 0;

roundUpdate3 = random(1,3);

lcd.setCursor(0,0);

lcd.print("Wizard 3 moves");

lcd.setCursor(0,1);

lcd.print(roundUpdate3);

lcd.setCursor(2,1);

lcd.print("spaces");

delay(3000);

lcd.clear();

lcd.setCursor(0,0);

int temp = roundUpdate3 + placementPlayer3;

if (temp == 10 || temp == 26 || temp == 45) {

roundUpdate3 = -3;

}

else if (temp == 15 || temp == 28) {

roundUpdate3 = 3;

}

else if (temp == 12) {

roundUpdate3 = 7;

}

else if (temp == 33) {

roundUpdate3 = -28;

}

else if (temp == 43) {

roundUpdate3 = -6;

}

else if (temp == 56) {

roundUpdate3 = -33;

}

roundUpdate4 = 0;

}

}

if(questionBFourState == LOW) {

tone(speaker,196,125); // Turn on the speaker

questionReaction();

int delayBOneState = digitalRead(delayBOne);

pause = true;

while (pause) {

delayBOneState = digitalRead(delayBOne);

int modBState = digitalRead(modB);

if (delayBOneState == LOW) {

pause = false;

}

if (modBState == LOW) {

pause = false;

}

}

if (delayBOneState == LOW) {

lcd.clear();

lcd.setCursor(0,0);

lcd.print("Wizard 4 Wins");

lcd.setCursor(0,1);

lcd.print("Round");

lcd.setCursor(0,0);

digitalWrite(ledFour, HIGH);

delay(2000);

lcd.clear();

digitalWrite(ledFour, LOW);

resetGame = true;

roundUpdate1 = 0;

roundUpdate2 = 0;

roundUpdate3 = 0;

roundUpdate4 = random(1,3);

lcd.setCursor(0,0);

lcd.print("Wizard 4 moves");

lcd.setCursor(0,1);

lcd.print(roundUpdate4);

lcd.setCursor(2,1);

lcd.print("spaces");

delay(3000);

lcd.clear();

lcd.setCursor(0,0);

int temp = roundUpdate4 + placementPlayer4;

if (temp == 10 || temp == 26 || temp == 45) {

roundUpdate4 = -3;

}

else if (temp == 15 || temp == 28) {

roundUpdate4 = 3;

}

else if (temp == 12) {

roundUpdate4 = 7;

}

else if (temp == 33) {

roundUpdate4 = -28;

}

else if (temp == 43) {

roundUpdate4 = -6;

}

else if (temp == 56) {

roundUpdate4 = -33;

}

}

}

}

// ----------------------------- Guess button Code ----------------------------------

// If guess button is pressed...

// Call guessReaction function to activate guess sound & LEDs

void guessReaction();

// ------------------- Decide Winner & Track Player Code ------------------------

//Serial.println("Player guessed correctly");

lcd.setCursor(0, 0);

lcd.print(" Checking The Standings of the Wizards...");

for (int positionCounter = 0; positionCounter < 55; positionCounter++) {

// scroll one position left:

lcd.scrollDisplayLeft();

// wait a bit:

delay(250);

}

delay(5000);

lcd.clear();

placementPlayer1 += roundUpdate1;

placementPlayer2 += roundUpdate2;

placementPlayer3 += roundUpdate3;

placementPlayer4 += roundUpdate4;

bool placementTrack(int placementPlayer1,int placementPlayer2,int placementPlayer3,int placementPlayer4,int roundUpdate1,int roundUpdate2,int roundUpdate3,int roundUpdate4,bool game);

game = placementTrack(placementPlayer1,placementPlayer2,placementPlayer3,placementPlayer4,roundUpdate1,roundUpdate2,roundUpdate3,roundUpdate4,game);

lcd.clear();

}

// ------------------------------- End of while loop -------------------------------

}

// ------------------------- End of startEndB state if statement ---------------------

delay(200);

lcd.clear();

lcd.setCursor(0,0);

lcd.print("goodbye");

}

void countdown() {

delay(300);

lcd.setCursor(0, 0);

lcd.print("Ready..");

delay(300);

lcd.setCursor(10, 0);

lcd.print("Set..");

delay(300);

lcd.setCursor(7, 1);

lcd.print("Go!");

delay(300);

lcd.clear();

}

void questionReaction() {

digitalWrite(ledOne,HIGH); // Turn on Player One's LED

digitalWrite(ledTwo,HIGH); // Turn on Player Two's LED

digitalWrite(ledThree,HIGH); // Turn on Player Threes's LED

digitalWrite(ledFour,HIGH); // Turn on Player Four's LED

delay(500);

digitalWrite(ledOne,LOW); // Turn on Player One's LED

digitalWrite(ledTwo,LOW); // Turn on Player Two's LED

digitalWrite(ledThree,LOW); // Turn on Player Threes's LED

digitalWrite(ledFour,LOW); // Turn on Player Threes's LED

delay(500);

}

void guessReaction(){

tone(speaker, 396, 200); // Make buzz sound

digitalWrite(ledOne, HIGH);

digitalWrite(ledTwo, HIGH);

digitalWrite(ledThree, HIGH);

digitalWrite(ledFour, HIGH);

delay(10000);

digitalWrite(ledOne, LOW);

digitalWrite(ledTwo, LOW);

digitalWrite(ledThree, LOW);

digitalWrite(ledFour, LOW);

}

bool placementTrack(int placementPlayer1, int placementPlayer2,int placementPlayer3,int placementPlayer4,int roundUpdate1,int roundUpdate2,int roundUpdate3,int roundUpdate4, bool game) {

lcd.clear();

lcd.setCursor(0,0);

lcd.print("hey");

int oldPlacementPlayer1 = placementPlayer1;

int oldPlacementPlayer2 = placementPlayer2;

int oldPlacementPlayer3 = placementPlayer3;

int oldPlacementPlayer4 = placementPlayer4;

if (placementPlayer1 >= board) {

lcd.clear();

lcd.setCursor(0, 0);

lcd.print("Player 1 Wins");

delay(4000);

game = false;

}

if (placementPlayer2 >= board) {

lcd.clear();

lcd.setCursor(0, 0);

lcd.print("Player 2 Wins");

delay(4000);

game = false;

}

if (placementPlayer3 >= board) {

lcd.clear();

lcd.setCursor(0, 0);

lcd.print("Player 3 Wins");

delay(4000);

game = false;

}

if (placementPlayer4 >= board) {

lcd.clear();

lcd.setCursor(0, 0);

lcd.print("Player 4 Wins");

delay(4000);

game = false;

}

lcd.clear();

lcd.setCursor(0,0);

return game;

}