Book Quiz

// include the LCD display
#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
const int switchPin = 6;
int switchState = 0;
int prevSwitchState = 0;
int reply;

// name the buttons and say what port they are connected to
int button1 = 13;
int button2 = 10;
int button3 = 8;

// say what the button state is when they aren't pressed at the beginning
int buttonState = 0;

void setup() {
  // make all the buttons be inputs
  pinMode(button1, INPUT);
  pinMode(button2, INPUT);
  pinMode(button3, INPUT);
  
  // have the LCD write the beginning message
  lcd.begin(16, 2);
  pinMode(switchPin, INPUT);
  lcd.print("This is a");
  lcd.setCursor(0, 1);
  lcd.print("Book Quiz!");
}

void loop() {
  // clear the LCD display and set the cursor
  lcd.clear();
  // make the LCD ask the first question
  switchState = digitalRead(buttonState);
  lcd.print("Pick a summer vacation:");
  lcd.setCursor(0, 1);
  lcd.print("1. San Francisco");
  lcd.setCursor(0, 2);
  lcd.print("2. London");
  lcd.setCursor(0, 3);
  lcd.print("3. Alaska");

  // if button 1 is pressed
  if (button1 == HIGH) {
    lcd.clear();
    lcd.setCursor(0,1);
    lcd.print("You Picked San Francisco");
  }
  // if button 2 is pressed
  if (button2 == HIGH) {
    lcd.clear();
    lcd.setCursor(0,1);
    lcd.print("You Picked London");
  }
  // if button 3 is pressed
  if (button3 == HIGH) {
    lcd.clear();
    lcd.setCursor(0,1);
    lcd.print("You Picked Alaska");
  }

  // clear the LCD display and set the cursor
  lcd.clear();
  // make the LCD ask the second question
  switchState = digitalRead(buttonState);
  lcd.print("Pick an ice cream flavor:");
  lcd.setCursor(0, 1);
  lcd.print("1. Chunky Monkey");
  lcd.setCursor(0, 2);
  lcd.print("2. Strawberry");
  lcd.setCursor(0, 3);
  lcd.print("3. Mint Chip");

  // if button 1 is pressed
  if (button1 == HIGH) {
    lcd.clear();
    lcd.setCursor(0,1);
    lcd.print("You Picked Chunky Monkey");
  }
  // if button 2 is pressed
  if (button2 == HIGH) {
    lcd.clear();
    lcd.setCursor(0,1);
    lcd.print("You Picked Strawberry");
  }
  // if button 3 is pressed
  if (button3 == HIGH) {
    lcd.clear();
    lcd.setCursor(0,1);
    lcd.print("You Picked Mint Chip");
  }

  // clear the LCD display and set the cursor
  lcd.clear();
  // make the LCD ask the third question and say answer
  switchState = digitalRead(buttonState);
  lcd.print("Pick a year:");
  lcd.setCursor(0, 1);
  lcd.print("1. 2005");
  lcd.setCursor(0, 2);
  lcd.print("2. 1847");
  lcd.setCursor(0, 3);
  lcd.print("3. 1997");

  // if button 1 is pressed
  if (button1 == HIGH) {
    lcd.clear();
    lcd.setCursor(0,1);
    lcd.print("You Picked 2005");
    delay(50);
    lcd.setCursor(0, 2);
    lcd.print("You Should Read Looking For Alaska");
  }
  // if button 2 is pressed
  if (button2 == HIGH) {
    lcd.clear();
    lcd.setCursor(0,1);
    lcd.print("You Picked 1847");
    delay(50);
    lcd.setCursor(0, 2);
    lcd.print("You Should Read Wuthering Heights");
  }
  // if button 3 is pressed
  if (button3 == HIGH) {
    lcd.clear();
    lcd.setCursor(0,1);
    lcd.print("You Picked 1997");
    delay(50);
    lcd.setCursor(0, 2);
    lcd.print("You Should Read Harry Potter");
  }
}