Whack-a-Button Mini

Whack-a-mole. But it's less violent and portable! (I mean, it's portable if you make it portable.)

Feb 14, 2026

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GPL3+

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Project description

Code

New Code

cpp

Fixed code

1// C++ code
2//
3#include <LiquidCrystal.h>
4
5int buttonVal = 0; // which button is being pressed
6
7int score = 0; // score
8
9LiquidCrystal lcd_2(5, 6, 7, 8, 9, 10);
10
11//led blinking
12bool blinkLed(int pin){
13  bool state;
14  digitalWrite(pin, HIGH);
15  if (digitalRead(pin+9) == LOW){
16    state = true;
17  } else {
18    state = false;
19  }
20  delay(200);
21  digitalWrite(pin, LOW);
22  return state;
23}
24
25//setup code, we need to initialize lcd and pins
26void setup(){
27  lcd_2.begin(16, 2); // Set up the number of columns and rows on the LCD.
28  pinMode(2, OUTPUT);
29  pinMode(3, OUTPUT);
30  pinMode(4, OUTPUT);
31  pinMode(11, INPUT_PULLUP);
32  pinMode(12, INPUT_PULLUP);
33  pinMode(13, INPUT_PULLUP);
34}
35
36//main game loop
37void loop()
38{
39  //menu screen
40  score = 0;
41
42  lcd_2.print("Press middle button to start.");
43
44  while (digitalRead(12) == HIGH){
45    lcd_2.scrollDisplayLeft();
46    delay(500);
47  }
48
49  lcd_2.clear();
50
51  int startTime = millis();
52
53  //actual game
54  while ((millis() - startTime) < 90000){
55    for (int i = 2; i <= 4; i++){
56      int randInt = rand() % 3 ;
57      lcd_2.print("Score: ");
58      lcd_2.print(score);
59      bool buttonState = blinkLed(randInt+2);
60      if (buttonState == true){
61        score++;
62      }
63      buttonState = false;
64      //if (digital)
65      delay(100*(rand()%10));
66      lcd_2.clear();
67    }
68  }
69}

// C++ code
//
#include <LiquidCrystal.h>

int buttonVal = 0; // which button is being pressed

int score = 0; // score

LiquidCrystal lcd_2(5, 6, 7, 8, 9, 10);

//led blinking
bool blinkLed(int pin){
  bool state;
  digitalWrite(pin, HIGH);
  if (digitalRead(pin+9) == LOW){
    state = true;
  } else {
    state = false;
  }
  delay(200);
  digitalWrite(pin, LOW);
  return state;
}

//setup code, we need to initialize lcd and pins
void setup(){
  lcd_2.begin(16, 2); // Set up the number of columns and rows on the LCD.
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(11, INPUT_PULLUP);
  pinMode(12, INPUT_PULLUP);
  pinMode(13, INPUT_PULLUP);
}

//main game loop
void loop()
{
  //menu screen
  score = 0;

  lcd_2.print("Press middle button to start.");

  while (digitalRead(12) == HIGH){
    lcd_2.scrollDisplayLeft();
    delay(500);
  }

  lcd_2.clear();

  int startTime = millis();

  //actual game
  while ((millis() - startTime) < 90000){
    for (int i = 2; i <= 4; i++){
      int randInt = rand() % 3 ;
      lcd_2.print("Score: ");
      lcd_2.print(score);
      bool buttonState = blinkLed(randInt+2);
      if (buttonState == true){
        score++;
      }
      buttonState = false;
      //if (digital)
      delay(100*(rand()%10));
      lcd_2.clear();
    }
  }
}

whack_a_button_mini

cpp

It's my first time writing long code by myself lol

1// C++ code
2//
3#include <LiquidCrystal.h>
4
5int buttonVal = 0; // which button is being pressed
6
7int score = 0; // score
8
9LiquidCrystal lcd_2(5, 6, 7, 8, 9, 10);
10
11//led blinking
12bool blinkLed(int pin){
13  bool state;
14  digitalWrite(pin, HIGH);
15  if (digitalRead(pin+9) == HIGH){
16    state = true;
17  } else {
18    state = false;
19  }
20  delay(200);
21  digitalWrite(pin, LOW);
22  return state;
23}
24
25//setup code, we need to initialize lcd and pins
26void setup(){
27  lcd_2.begin(16, 2); // Set up the number of columns and rows on the LCD.
28  pinMode(2, OUTPUT);
29  pinMode(3, OUTPUT);
30  pinMode(4, OUTPUT);
31  pinMode(11, INPUT);
32  pinMode(12, INPUT);
33  pinMode(13, INPUT);
34}
35
36//main game loop
37void loop()
38{
39  //menu screen
40  score = 0;
41
42  lcd_2.print("Press middle button to start.");
43
44  while (digitalRead(12) == LOW){
45    lcd_2.scrollDisplayLeft();
46    delay(500);
47  }
48
49  lcd_2.clear();
50
51  int startTime = millis();
52
53  //actual game
54  while ((millis() - startTime) < 90000){
55    for (int i = 2; i <= 4; i++){
56      int randInt = rand() % 3 ;
57      lcd_2.print("Score: ");
58      lcd_2.print(score);
59      bool buttonState = blinkLed(randInt+2);
60      if (buttonState == true){
61        score++;
62      }
63      buttonState = false;
64      //if (digital)
65      delay(100*(rand()%10));
66      lcd_2.clear();
67    }
68  }
69}

// C++ code
//
#include <LiquidCrystal.h>

int buttonVal = 0; // which button is being pressed

int score = 0; // score

LiquidCrystal lcd_2(5, 6, 7, 8, 9, 10);

//led blinking
bool blinkLed(int pin){
  bool state;
  digitalWrite(pin, HIGH);
  if (digitalRead(pin+9) == HIGH){
    state = true;
  } else {
    state = false;
  }
  delay(200);
  digitalWrite(pin, LOW);
  return state;
}

//setup code, we need to initialize lcd and pins
void setup(){
  lcd_2.begin(16, 2); // Set up the number of columns and rows on the LCD.
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(11, INPUT);
  pinMode(12, INPUT);
  pinMode(13, INPUT);
}

//main game loop
void loop()
{
  //menu screen
  score = 0;

  lcd_2.print("Press middle button to start.");

  while (digitalRead(12) == LOW){
    lcd_2.scrollDisplayLeft();
    delay(500);
  }

  lcd_2.clear();

  int startTime = millis();

  //actual game
  while ((millis() - startTime) < 90000){
    for (int i = 2; i <= 4; i++){
      int randInt = rand() % 3 ;
      lcd_2.print("Score: ");
      lcd_2.print(score);
      bool buttonState = blinkLed(randInt+2);
      if (buttonState == true){
        score++;
      }
      buttonState = false;
      //if (digital)
      delay(100*(rand()%10));
      lcd_2.clear();
    }
  }
}

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