Md. Khairul Alam
Published © CC BY

Arduino Dot Matrix Game Console

A DIY Game console you can make and upload your own game like Snake or Pong.

IntermediateFull instructions provided15 hours15,978
Arduino Dot Matrix Game Console

Things used in this project

Hardware components

Arduino UNO
Arduino UNO
×1
Li-Ion Battery 100mAh
Li-Ion Battery 100mAh
×1
ATmega328P Microcontroller
×1
MAX7219CNG
×2
2.379" Bi-color Dot Matrix Display
×1
Push Buttons or Tactile Switch
×6
Buzzer
Buzzer
×1
5 mm LED: Green
5 mm LED: Green
×5
Resistor 10k ohm
Resistor 10k ohm
×15
Capacitor 10 pF
Capacitor 10 pF
×4
Capacitor 1 µF
Capacitor 1 µF
×2
IC base
×3
165mm X 73mm PCB board
×1

Hand tools and fabrication machines

Soldering iron (generic)
Soldering iron (generic)
Hot glue gun (generic)
Hot glue gun (generic)
Seeed PCB drill

Story

Read more

Custom parts and enclosures

PCB Board Layout

Designed in Eagle

Schematics

Watch Schematic

Designed in Eagle Layout Editor

Code

Source Code for Snake Game

C/C++
Developed in Arduino Environment
#include "LedControl.h"
// connection to MAX7219 (data, clik, load, #of dispplay)
LedControl lc = LedControl(11,13,10,1);

// direction
const int TOP    = 0;
const int RIGHT  = 1;
const int BOTTOM = 2;
const int LEFT   = 3;
// Snake length
const int MAX_SNAKE_LENGTH = 16;

// Variables
//Adafruit_8x8matrix matrix = Adafruit_8x8matrix();  // Display
int direction = RIGHT;                               // direction of movement
int snakeX[MAX_SNAKE_LENGTH];                      // X-coordinates of snake
int snakeY[MAX_SNAKE_LENGTH];                      // Y-coordinates of snake
int snakeLength = 3;   
int score = 3;// 
unsigned long prevTime = 0;                        // for gamedelay (ms)
unsigned long delayTime = 500;                     // Game step in ms

int fruitX, fruitY;
unsigned long fruitPrevTime = 0;
unsigned long fruitBlinkTime = 100;
unsigned long bonusTime = 0;
unsigned long bonusPrevTime = 0;
int fruitLed = true;
int bonusLed = true;
int bonusX, bonusY;


void setup(){
  ////wake up the MAX72XX from power-saving mode
  lc.shutdown(0,false);
  //set a medium brightness for the Leds
  lc.setIntensity(0, 15);
  //Switch all Leds on the display off.
  lc.clearDisplay(0);
  Serial.begin(9600);
  
  randomSeed(analogRead(0));
  pinMode(0,INPUT);
  //pinMode(17,INPUT);
  pinMode(1,INPUT);
  pinMode(2,INPUT);
  pinMode(3,INPUT);
  pinMode(4,INPUT);
  pinMode(5,INPUT);
  //buzzer
  pinMode(12,OUTPUT);
  
  
  snakeX[0] = 0;
  snakeY[0] = 4;
  for(int i=1; i<MAX_SNAKE_LENGTH; i++){
    snakeX[i] = snakeY[i] = -1;
  }
  makeFruit();
  
}
  
void loop(){
    delay(10);
    checkButtons();  // if any button is pressed or not
   
    unsigned long currentTime = millis();
    if(currentTime - prevTime >= delayTime){
    nextstep(); 
    
    prevTime = currentTime;
  }
  draw(); // make snack & food
}

void checkButtons(){
  if(digitalRead(3)==0)
     direction = TOP;
  else if(digitalRead(4)==0)
     direction = RIGHT;
  else if(digitalRead(5)==0)
     direction = LEFT;
  else if(digitalRead(2)==0)
     direction = BOTTOM;
}

void draw(){
  lc.clearDisplay(0);
  drawSnake();
  drawFruit();

}
void drawSnake(){
  for(int i=0; i<snakeLength; i++){
    lc.setLed(0,snakeX[i], snakeY[i], true);
  }
}
void drawFruit(){
  if(inPlayField(fruitX, fruitY)){
    unsigned long currenttime = millis();
    if(currenttime - fruitPrevTime >= fruitBlinkTime){
      fruitLed = (fruitLed == true) ? false : true;
      fruitPrevTime = currenttime;
    }
    lc.setLed(0,fruitX, fruitY, fruitLed);
  }
}
boolean inPlayField(int x, int y){
  return (x>=0) && (x<8) && (y>=0) && (y<8);
}
void nextstep(){
    for(int i=snakeLength-1; i>0; i--){
    if((direction == RIGHT)&&(snakeX[0]-snakeLength == 7))
    snakeX[0] = -1;
    else if((direction == LEFT)&&(snakeX[0]+ snakeLength == 0))
    snakeX[0] = 8;
    else snakeX[i] = snakeX[i-1];
    if((direction == TOP) && (snakeY[0]+snakeLength == 0))
    snakeY[0]=8;
    else if((direction == BOTTOM) && (snakeY[0]-snakeLength == 7))
    snakeY[0]=-1;
    else snakeY[i] = snakeY[i-1];      
  }
  switch(direction){
    case TOP:
      snakeY[0] = snakeY[0]-1; 
      break;
    case RIGHT:
      snakeX[0] = snakeX[0]+1;
      break;
    case BOTTOM:
      snakeY[0] = snakeY[0]+1;
      break;
    case LEFT:
      snakeX[0]=snakeX[0]-1;
      break;
   }
  if((snakeX[0] == fruitX) && (snakeY[0] == fruitY)){
    snakeLength++;
    score++;
    tone(12,4500,50);
    if(snakeLength < MAX_SNAKE_LENGTH){      
      makeFruit();
    } 
    else {
      fruitX = fruitY = -1;
    }
    if(score%8==0)
      {
        snakeLength = 3;
        delayTime = delayTime - 100;
     }
  }
  snakeItSelf();  
}
void makeFruit(){
  int x, y;
  x = random(0, 8);
  y = random(0, 8);
  while(isPartOfSnake(x, y)){
    x = random(0, 8);
    y = random(0, 8);
  }
  fruitX = x;
  fruitY = y;
}

boolean isPartOfSnake(int x, int y){
  for(int i=0; i<snakeLength-1; i++){
    if((x == snakeX[i]) && (y == snakeY[i])){
      return true;
    }
  }
  return false;
}
void snakeItSelf(){  // check if snack touch itself
    for(int i=1;i<snakeLength;i++){
      if((snakeX[0] == snakeX[i]) && (snakeY[0] == snakeY[i]))
       gameOver();
     }
}
void gameOver(){
  // game over sound
  tone(12,1000,100);
  delay(100);
  tone(12,1500,200);
  delay(200);
  tone(12,2000,300);
  delay(300);
  tone(12, 494,500);
  delay(500);
  lc.clearDisplay(0);
  for(int r = 0; r < 8; r++){
        for(int c = 0; c < 8; c++){
            lc.setLed(0, r, c, HIGH);
            delay(50);
        }delay(50);
    }
  delay(300);
  score = 3;  
  snakeLength = 3;
  direction = RIGHT;
  snakeX[0]=3;
  snakeY[0]=4;
  delayTime = 500;
  loop();
}

void drawBonus(){
  if(inPlayField(fruitX, fruitY)){
    unsigned long bonusTime = millis();
    if(bonusTime - bonusPrevTime >= 300){
      bonusLed = (bonusLed == true) ? false : true;
      bonusPrevTime = bonusTime;
    }
    lc.setLed(0,bonusX, bonusY, bonusLed);
  }
}
void makeBonus(){
  int x, y;
  x = random(0, 8);
  y = random(0, 8);
  while(isPartOfSnake(x, y)){
    x = random(0, 8);
    y = random(0, 8);
  }
  bonusX = x;
  bonusY = y;
}

Credits

Md. Khairul Alam

Md. Khairul Alam

51 projects • 489 followers
Engineer, developer, maker & hacker. Currently working as a faculty at the University of Asia Pacific, Dhaka, Bangladesh.

Comments