Mukesh Sankhla
Published © CC BY-NC-ND

DIY Arduino Tic Tac Toe Game

Two player 4 by 4 Tic Tac Toe Game using Arduino Uno.

AdvancedFull instructions provided8 hours8,490
DIY Arduino Tic Tac Toe Game

Things used in this project

Hardware components

Arduino UNO
Arduino UNO
×1
SparkFun RGB LED Breakout - WS2812B
SparkFun RGB LED Breakout - WS2812B
×16
Pushbutton switch 12mm
SparkFun Pushbutton switch 12mm
×17
Battery, 3.7 V
Battery, 3.7 V
×1
Slide Switch
Slide Switch
×1

Software apps and online services

Arduino IDE
Arduino IDE

Hand tools and fabrication machines

Soldering iron (generic)
Soldering iron (generic)
Solder Wire, Lead Free
Solder Wire, Lead Free
Solder Flux, Soldering
Solder Flux, Soldering

Story

Read more

Custom parts and enclosures

3D Parts

STL Files

3D Parts

STL File

Schematics

screenshot_(25)_ZVtnxhXYBL.png

screenshot_(26)_Sa7QNlWlxp.png

Circuit Diagrams

Code

Arduino Code

Arduino
Code is only for learning and educational purpose not for commercial or other...
#include <Keypad.h>
#include <FastLED.h>

#define LED_PIN     5
#define NUM_LEDS    16
#define LED_TYPE    WS2812B
#define COLOR_ORDER GRB
#define BRIGHTNESS  250
CRGB leds[NUM_LEDS];

int player=1;
int n,i,e=0,j=0;
char a[16]={'1','2','3','4','5','6','7','8','9','10','11','12','13','14','15','16'};
char key;
int w=0;

const byte ROWS = 4; //four rows
const byte COLS = 4; //four columns
//define the cymbols on the buttons of the keypads
char hexaKeys[ROWS][COLS] = {
  {'1','2','3','A'},
  {'4','5','6','B'},
  {'7','8','9','C'},
  {'*','0','#','D'}
};
byte rowPins[ROWS] = {A0,A1,A2,A3}; //connect to the row pinouts of the keypad
byte colPins[COLS] = {A4,A5,2,3}; //connect to the column pinouts of the keypad
Keypad customKeypad = Keypad( makeKeymap(hexaKeys), rowPins, colPins, ROWS, COLS); 

void setup(){
  Serial.begin(9600);
  LEDS.addLeds<LED_TYPE, LED_PIN, COLOR_ORDER>(leds, NUM_LEDS);
  FastLED.setBrightness(BRIGHTNESS);
  for(int m=0;m<3;m++)
  {
        leds[0].setRGB(0, 204, 255);
        leds[1].setRGB(0, 204, 255);
        leds[2].setRGB(0, 204, 255);
        leds[3].setRGB(0, 204, 255);
        leds[4].setRGB(0, 204, 255);
        leds[5].setRGB(0, 204, 255);
        leds[6].setRGB(0, 204, 255);
        leds[7].setRGB(0, 204, 255);
        leds[8].setRGB(0, 204, 255);
        leds[9].setRGB(0, 204, 255);
        leds[10].setRGB(0, 204, 255);
        leds[11].setRGB(0, 204, 255);
        leds[12].setRGB(0, 204, 255);
        leds[13].setRGB(0, 204, 255);
        leds[14].setRGB(0, 204, 255);
        leds[15].setRGB(0, 204, 255);
        FastLED.show();
        delay(500);
        leds[0].setRGB(255, 0, 225);
        leds[1].setRGB(255, 0, 225);
        leds[2].setRGB(255, 0, 225);
        leds[3].setRGB(255, 0, 225);
        leds[4].setRGB(255, 0, 225);
        leds[5].setRGB(255, 0, 225);
        leds[6].setRGB(255, 0, 225);
        leds[7].setRGB(255, 0, 225);
        leds[8].setRGB(255, 0, 225);
        leds[9].setRGB(255, 0, 225);
        leds[10].setRGB(255, 0, 225);
        leds[11].setRGB(255, 0, 225);
        leds[12].setRGB(255, 0, 225);
        leds[13].setRGB(255, 0, 225);
        leds[14].setRGB(255, 0, 225);
        leds[15].setRGB(255, 0, 225);
        FastLED.show();
        delay(500);
  }
        FastLED.clear();
        FastLED.show();
}
  
void loop()
{
  key = customKeypad.getKey();
  if (key && player==1)
  {
    Serial.println("\nP1");
    Serial.println(key);
    n=number(key);
    Serial.println(n);
    leds[n].setRGB(0, 204, 255);
    FastLED.show();
    a[n]='X';
    Serial.println(a[n]);
    w=check(a,n);
    if(w==1)
    {
      Serial.println("Player 1 Wins!");
      while(1)
      {
        leds[0].setRGB(0, 204, 255);
        leds[1].setRGB(0, 204, 255);
        leds[2].setRGB(0, 204, 255);
        leds[3].setRGB(0, 204, 255);
        leds[4].setRGB(0, 204, 255);
        leds[5].setRGB(0, 204, 255);
        leds[6].setRGB(0, 204, 255);
        leds[7].setRGB(0, 204, 255);
        leds[8].setRGB(0, 204, 255);
        leds[9].setRGB(0, 204, 255);
        leds[10].setRGB(0, 204, 255);
        leds[11].setRGB(0, 204, 255);
        leds[12].setRGB(0, 204, 255);
        leds[13].setRGB(0, 204, 255);
        leds[14].setRGB(0, 204, 255);
        leds[15].setRGB(0, 204, 255);
        FastLED.show();
        delay(500);
        FastLED.clear();
        FastLED.show();
        delay(500);
    }
   }
    player++;
    delay(1000);
  }
  delay(20);
  key = customKeypad.getKey();
  if (key && player==2)
  {
    Serial.println("\nP2");
    Serial.println(key);
    n=number(key);
    Serial.println(n);
    leds[n].setRGB(255, 0, 225);
    FastLED.show();
    a[n]='0';
    Serial.println(a[n]);
    w=check(a,n);
    if(w==2)
    {
      Serial.println("Player 2 Wins!");
      while(1)
      {
        leds[0].setRGB(255, 0, 225);
        leds[1].setRGB(255, 0, 225);
        leds[2].setRGB(255, 0, 225);
        leds[3].setRGB(255, 0, 225);
        leds[4].setRGB(255, 0, 225);
        leds[5].setRGB(255, 0, 225);
        leds[6].setRGB(255, 0, 225);
        leds[7].setRGB(255, 0, 225);
        leds[8].setRGB(255, 0, 225);
        leds[9].setRGB(255, 0, 225);
        leds[10].setRGB(255, 0, 225);
        leds[11].setRGB(255, 0, 225);
        leds[12].setRGB(255, 0, 225);
        leds[13].setRGB(255, 0, 225);
        leds[14].setRGB(255, 0, 225);
        leds[15].setRGB(255, 0, 225);
        FastLED.show();
        delay(500);
        FastLED.clear();
        FastLED.show();
        delay(500);
        
        
    }
    }
    e++;
  player--;
   delay(1000);
  }
  if(e==8)
  {
    Serial.println("Game Draw");
    while(1)
    {
        leds[0].setRGB(255, 0, 0);
        leds[1].setRGB(255, 0, 0);
        leds[2].setRGB(255, 0, 0);
        leds[3].setRGB(255, 0, 0);
        leds[4].setRGB(255, 0, 0);
        leds[5].setRGB(255, 0, 0);
        leds[6].setRGB(255, 0, 0);
        leds[7].setRGB(255, 0, 0);
        leds[8].setRGB(255, 0, 0);
        leds[9].setRGB(255, 0, 0);
        leds[10].setRGB(255, 0, 0);
        leds[11].setRGB(255, 0, 0);
        leds[12].setRGB(255, 0, 0);
        leds[13].setRGB(255, 0, 0);
        leds[14].setRGB(255, 0, 0);
        leds[15].setRGB(255, 0, 0);
        FastLED.show();
        delay(1000);
        FastLED.clear();
        FastLED.show();
        delay(500);
  }
  }
  delay(20);
}

int number(char keyn)
{
  if(keyn == '1')
    return 0;
  if(keyn == '2')
    return 1;
  if(keyn == '3')
    return 2;
  if(key == 'A')
    return 3;
  if(keyn == '4')
    return 4;
  if(keyn == '5')
    return 5;
  if(keyn == '6')
    return 6;
  if(keyn == 'B')
    return 7;
  if(keyn == '7')
    return 8;
  if(keyn == '8')
    return 9;
  if(keyn == '9')
    return 10;
  if(keyn == 'C')
    return 11;
  if(key == '*')
    return 12;
  if(keyn == '0')
    return 13;
  if(keyn == '#')
    return 14;
  if(keyn == 'D')
    return 15;
}

int check(char a[16],int n)
{
  
  if(a[0]=='X' && a[1]=='X' && a[2]=='X' && a[3]=='X')
    return 1;
  if(a[0]=='0' && a[1]=='0' && a[2]=='0' && a[3]=='0')
    return 2;
  if(a[0]=='X' && a[4]=='X' && a[8]=='X' && a[12]=='X')
    return 1;
  if(a[0]=='0' && a[4]=='0' && a[8]=='0' && a[12]=='0')
    return 2;
  if(a[0]=='X' && a[5]=='X' && a[10]=='X' && a[15]=='X')
    return 1;
  if(a[0]=='0' && a[5]=='0' && a[10]=='0' && a[15]=='0')
    return 2;
  if(a[1]=='X' && a[5]=='X' && a[9]=='X' && a[13]=='X')
    return 1;
  if(a[1]=='0' && a[5]=='0' && a[9]=='0' && a[13]=='0')
    return 2;
  if(a[2]=='X' && a[6]=='X' && a[10]=='X' && a[14]=='X')
    return 1;
  if(a[2]=='0' && a[6]=='0' && a[10]=='0' && a[14]=='0')
    return 2;
  if(a[3]=='X' && a[7]=='X' && a[11]=='X' && a[15]=='X')
    return 1;
  if(a[3]=='0' && a[7]=='0' && a[11]=='0' && a[15]=='0')
    return 2;
  if(a[3]=='X' && a[6]=='X' && a[9]=='X' && a[12]=='X')
    return 1;
  if(a[3]=='0' && a[6]=='0' && a[9]=='0' && a[12]=='0')
    return 2;
  if(a[4]=='X' && a[5]=='X' && a[6]=='X' && a[7]=='X')
    return 1;
  if(a[4]=='0' && a[5]=='0' && a[6]=='0' && a[7]=='0')
    return 2;
  if(a[8]=='X' && a[9]=='X' && a[10]=='X' && a[11]=='X')
    return 1;
  if(a[8]=='0' && a[9]=='0' && a[10]=='0' && a[11]=='0')
    return 2;
  if(a[12]=='X' && a[13]=='X' && a[14]=='X' && a[15]=='X')
    return 1;
  if(a[12]=='0' && a[13]=='0' && a[14]=='0' && a[15]=='0')
    return 2;
}

Credits

Mukesh Sankhla

Mukesh Sankhla

26 projects • 37 followers
🧑‍💻Passionate software engineer at Siemens, dedicated to driving digitalization by day.🧑‍🏭By night, I'm a Maker.

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