Buzz Wire with Score Counter

The good old buzz wire game, this time with score counter (as well as indicator lights).

Nov 12, 2019

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Devices & Components

Arduino Nano

Buzzer

Shift Register- Serial to Parallel

7 Segment LED Display, Red

9V battery (generic)

5 mm LED: Red

Resistor 221 ohm

5 mm LED: Green

Hardware & Tools

Drill, Screwdriver

Soldering iron (generic)

Project description

Code

score_display.ino

arduino

1byte seg_digits[10] = 
2{ 
3  B11111100,  // = 0
4  B01100000,  //   = 1
5  B11011010,  // = 2
6  B11110010,  // = 3
7  B01100110,  // = 4
8   B10110110,  // = 5
9  B10111110,  // = 6
10  B11100000,  // = 7
11  B11111110,   // = 8
12  B11100110   // = 9
13};
14
15
16
17
18                             
19void   displayDigit(int x)
20{
21   digitalWrite(latchPin, LOW);
22   shiftOut(dataPin,   clockPin, LSBFIRST, seg_digits[x]);
23   digitalWrite(latchPin, HIGH);
24}
25
26void   displayInitialSetup()
27{
28  pinMode(latchPin, OUTPUT);
29  pinMode(dataPin,   OUTPUT);  
30  pinMode(clockPin, OUTPUT);
31  displayDigit(0);
32}
33

byte seg_digits[10] = 
{ 
  B11111100,  // = 0
  B01100000,  //   = 1
  B11011010,  // = 2
  B11110010,  // = 3
  B01100110,  // = 4
   B10110110,  // = 5
  B10111110,  // = 6
  B11100000,  // = 7
  B11111110,   // = 8
  B11100110   // = 9
};




                             
void   displayDigit(int x)
{
   digitalWrite(latchPin, LOW);
   shiftOut(dataPin,   clockPin, LSBFIRST, seg_digits[x]);
   digitalWrite(latchPin, HIGH);
}

void   displayInitialSetup()
{
  pinMode(latchPin, OUTPUT);
  pinMode(dataPin,   OUTPUT);  
  pinMode(clockPin, OUTPUT);
  displayDigit(0);
}

game.ino

arduino

1
2
3
4void gameInitialSetup()
5{
6  pinMode(STOP_LED, OUTPUT);
7   pinMode(GO_LED, OUTPUT);
8  pinMode(BUZZ, OUTPUT);
9  pinMode(TOUCH, HIGH);
10   digitalWrite(TOUCH, LOW);
11}
12
13
14void failAlarm()
15{
16    digitalWrite(STOP_LED,   HIGH);
17    beep();
18    delay(150);
19
20    digitalWrite(STOP_LED, LOW);
21     digitalWrite(BUZZ, LOW);
22    delay(500);
23}
24
25void beep()
26{
27   for(int i=0; i<3; i++)
28  {
29    digitalWrite(BUZZ, HIGH);
30    delay(50);
31     digitalWrite(BUZZ, LOW);
32    delay(50);
33  }
34}
35



void gameInitialSetup()
{
  pinMode(STOP_LED, OUTPUT);
   pinMode(GO_LED, OUTPUT);
  pinMode(BUZZ, OUTPUT);
  pinMode(TOUCH, HIGH);
   digitalWrite(TOUCH, LOW);
}


void failAlarm()
{
    digitalWrite(STOP_LED,   HIGH);
    beep();
    delay(150);

    digitalWrite(STOP_LED, LOW);
     digitalWrite(BUZZ, LOW);
    delay(500);
}

void beep()
{
   for(int i=0; i<3; i++)
  {
    digitalWrite(BUZZ, HIGH);
    delay(50);
     digitalWrite(BUZZ, LOW);
    delay(50);
  }
}

nervous_meter_score.ino

arduino

1int latchPin = 3;      // ST_CP [RCK] on 74HC595
2int clockPin = 4;      // SH_CP [SCK] on 74HC595
3int dataPin = 2;     // DS [S1] on 74HC595
4const  int STOP_LED = 6;
5const int GO_LED = 7;
6const int BUZZ = 8;
7const int TOUCH  = 10;
8
9const int fail_threshold = 9;
10
11enum Status
12{
13  STOP = 0,
14  GO = 1
15};
16
17
18void setup() {
19  Serial.begin(9600);
20  displayInitialSetup();
21  gameInitialSetup();
22}
23
24
25Status status = GO;
26int failCounter = 0;
27
28void  loop() {
29
30
31  while (failCounter > fail_threshold)
32    {
33      gameover();
34    }
35
36  switch (status)
37  {
38    case GO:
39      digitalWrite(GO_LED,  HIGH);
40      digitalWrite(STOP_LED, LOW);
41      digitalWrite(BUZZ, LOW);
42      if (digitalRead(TOUCH) == HIGH)
43      {
44        status = STOP;
45      }
46      break;
47      
48    case STOP:
49      digitalWrite(GO_LED, LOW);
50      failCounter++;
51      if (failCounter > fail_threshold)
52        break;
53      displayDigit(failCounter);
54      Serial.println(failCounter);
55      failAlarm();
56      status = GO;
57      break;
58  }
59
60}
61
62
63byte seg_spin[6] =  
64{
65  B10000000,
66  B01000000,
67  B00100000,
68  B00010000,
69  B00001000,
70  B00000100
71};
72void gameover()
73{
74  for (int i=0; i<6; i++)
75  {
76    digitalWrite(BUZZ, HIGH);
77    delay(5);
78    digitalWrite(BUZZ, LOW);
79    delay(50);
80     digitalWrite(latchPin, LOW);
81     shiftOut(dataPin, clockPin,  LSBFIRST, seg_spin[i]);
82     digitalWrite(latchPin, HIGH);
83     delay(10);
84  }
85}
86

int latchPin = 3;      // ST_CP [RCK] on 74HC595
int clockPin = 4;      // SH_CP [SCK] on 74HC595
int dataPin = 2;     // DS [S1] on 74HC595
const  int STOP_LED = 6;
const int GO_LED = 7;
const int BUZZ = 8;
const int TOUCH  = 10;

const int fail_threshold = 9;

enum Status
{
  STOP = 0,
  GO = 1
};


void setup() {
  Serial.begin(9600);
  displayInitialSetup();
  gameInitialSetup();
}


Status status = GO;
int failCounter = 0;

void  loop() {


  while (failCounter > fail_threshold)
    {
      gameover();
    }

  switch (status)
  {
    case GO:
      digitalWrite(GO_LED,  HIGH);
      digitalWrite(STOP_LED, LOW);
      digitalWrite(BUZZ, LOW);
      if (digitalRead(TOUCH) == HIGH)
      {
        status = STOP;
      }
      break;
      
    case STOP:
      digitalWrite(GO_LED, LOW);
      failCounter++;
      if (failCounter > fail_threshold)
        break;
      displayDigit(failCounter);
      Serial.println(failCounter);
      failAlarm();
      status = GO;
      break;
  }

}


byte seg_spin[6] =  
{
  B10000000,
  B01000000,
  B00100000,
  B00010000,
  B00001000,
  B00000100
};
void gameover()
{
  for (int i=0; i<6; i++)
  {
    digitalWrite(BUZZ, HIGH);
    delay(5);
    digitalWrite(BUZZ, LOW);
    delay(50);
     digitalWrite(latchPin, LOW);
     shiftOut(dataPin, clockPin,  LSBFIRST, seg_spin[i]);
     digitalWrite(latchPin, HIGH);
     delay(10);
  }
}

score_display.ino

arduino

1byte seg_digits[10] = 
2{ 
3  B11111100,  // = 0
4  B01100000,  //  = 1
5  B11011010,  // = 2
6  B11110010,  // = 3
7  B01100110,  // = 4
8  B10110110,  // = 5
9  B10111110,  // = 6
10  B11100000,  // = 7
11  B11111110,  // = 8
12  B11100110   // = 9
13};
14
15
16
17
18                             
19void  displayDigit(int x)
20{
21   digitalWrite(latchPin, LOW);
22   shiftOut(dataPin,  clockPin, LSBFIRST, seg_digits[x]);
23   digitalWrite(latchPin, HIGH);
24}
25
26void  displayInitialSetup()
27{
28  pinMode(latchPin, OUTPUT);
29  pinMode(dataPin,  OUTPUT);  
30  pinMode(clockPin, OUTPUT);
31  displayDigit(0);
32}
33

byte seg_digits[10] = 
{ 
  B11111100,  // = 0
  B01100000,  //  = 1
  B11011010,  // = 2
  B11110010,  // = 3
  B01100110,  // = 4
  B10110110,  // = 5
  B10111110,  // = 6
  B11100000,  // = 7
  B11111110,  // = 8
  B11100110   // = 9
};




                             
void  displayDigit(int x)
{
   digitalWrite(latchPin, LOW);
   shiftOut(dataPin,  clockPin, LSBFIRST, seg_digits[x]);
   digitalWrite(latchPin, HIGH);
}

void  displayInitialSetup()
{
  pinMode(latchPin, OUTPUT);
  pinMode(dataPin,  OUTPUT);  
  pinMode(clockPin, OUTPUT);
  displayDigit(0);
}

game.ino

arduino

1
2
3
4void gameInitialSetup()
5{
6  pinMode(STOP_LED, OUTPUT);
7  pinMode(GO_LED, OUTPUT);
8  pinMode(BUZZ, OUTPUT);
9  pinMode(TOUCH, HIGH);
10  digitalWrite(TOUCH, LOW);
11}
12
13
14void failAlarm()
15{
16    digitalWrite(STOP_LED,  HIGH);
17    beep();
18    delay(150);
19
20    digitalWrite(STOP_LED, LOW);
21    digitalWrite(BUZZ, LOW);
22    delay(500);
23}
24
25void beep()
26{
27  for(int i=0; i<3; i++)
28  {
29    digitalWrite(BUZZ, HIGH);
30    delay(50);
31    digitalWrite(BUZZ, LOW);
32    delay(50);
33  }
34}
35



void gameInitialSetup()
{
  pinMode(STOP_LED, OUTPUT);
  pinMode(GO_LED, OUTPUT);
  pinMode(BUZZ, OUTPUT);
  pinMode(TOUCH, HIGH);
  digitalWrite(TOUCH, LOW);
}


void failAlarm()
{
    digitalWrite(STOP_LED,  HIGH);
    beep();
    delay(150);

    digitalWrite(STOP_LED, LOW);
    digitalWrite(BUZZ, LOW);
    delay(500);
}

void beep()
{
  for(int i=0; i<3; i++)
  {
    digitalWrite(BUZZ, HIGH);
    delay(50);
    digitalWrite(BUZZ, LOW);
    delay(50);
  }
}

Downloadable files

Schematic

Just keep in mind the D10 getting connected to the 5V, will constitute a failure causing the buzzer to beep and counter to count. In the schematic there wasn't a way to show it. So build up your wires and structure accordingly :)

Schematic

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behrooz66

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