Sequence Arduino electronic game | Game with Arduino

Sequence Arduino electronic game | Game with Arduino

Introduction

Sequence games are popular for their simplicity and addictive gameplay. Using an Arduino, LEDs, buttons, and a bit of code, you can design a game where players must replicate a sequence of lights in the correct order. Each successful round increases the sequence length, making the game progressively more difficult.

What You'll Need

• Arduino Uno (or compatible)
• LEDs (at least 4 or more)
• Push Buttons (corresponding to each LED)
• Resistors (220Ω for LEDs, 10kΩ for buttons)
• Breadboard and jumper wires
• Optional: Buzzer for sound effects

Building the Circuit

Connect LEDs:

• Connect each LED to digital pins (e.g., D2-D5) through a 220Ω resistor.
• Connect the cathode to GND.
• Connect LEDs:Connect each LED to digital pins (e.g., D2-D5) through a 220Ω resistor.Connect the cathode to GND.

Connect Buttons:

• Connect each button to digital pins (e.g., D6-D9).
• Use a pull-down resistor (10kΩ) between the button pin and GND.
• Connect one side of the button to the pin.
• Connect Buttons:Connect each button to digital pins (e.g., D6-D9).Use a pull-down resistor (10kΩ) between the button pin and GND.Connect one side of the button to the pin.

Optional Buzzer:

• Connect a buzzer to a digital pin (e.g., D10) for audio cues.
• Optional Buzzer:Connect a buzzer to a digital pin (e.g., D10) for audio cues.

Programming the Arduino

Here's a simplified version of the sequence game code:

CopyRunconst int ledPins[] = {2, 3, 4, 5};
const int buttonPins[] = {6, 7, 8, 9};
const int numButtons = 4;

int sequence[100]; // Max sequence length
int seqLength = 1;
int playerIndex = 0;

void setup() {
  for (int i=0; i<numButtons; i++) {
    pinMode(ledPins[i], OUTPUT);
    pinMode(buttonPins[i], INPUT_PULLDOWN);
  }
  Serial.begin(9600);
  randomSeed(analogRead(0));
  generateSequence();
}

void loop() {
  playSequence();
  if (playerTurn()) {
    seqLength++;
    generateSequence();
  } else {
    // Game over
    resetGame();
  }
}

void generateSequence() {
  sequence[seqLength - 1] = random(numButtons);
}

void playSequence() {
  for (int i=0; i<seqLength; i++) {
    int idx = sequence[i];
    digitalWrite(ledPins[idx], HIGH);
    delay(500);
    digitalWrite(ledPins[idx], LOW);
    delay(250);
  }
}

bool playerTurn() {
  for (int i=0; i<seqLength; i++) {
    int buttonPressed = waitForButton();
    if (buttonPressed != sequence[i]) {
      return false; // Wrong button
    }
  }
  return true; // Correct sequence
}

int waitForButton() {
  while (true) {
    for (int i=0; i<numButtons; i++) {
      if (digitalRead(buttonPins[i]) == HIGH) {
        // Light up corresponding LED as feedback
        digitalWrite(ledPins[i], HIGH);
        delay(200);
        digitalWrite(ledPins[i], LOW);
        return i;
      }
    }
  }
}

void resetGame() {
  seqLength = 1;
  generateSequence();
  delay(1000);
}

How to Play

• The game shows a sequence of LEDs lighting up.
• You must press the corresponding buttons in the same order.
• If correct, the sequence length increases, and a new sequence is generated.
• If wrong, the game resets, and you can try again.

Customization Ideas

• Add sound effects with a buzzer.
• Implement a high-score system.
• Use different colors or patterns for LEDs.
• Add a start/reset button for better control.

Conclusion

Building a sequence game with Arduino is an excellent project to sharpen your electronics and programming skills. It provides endless fun and opportunities to expand with more features. Challenge yourself or friends to beat the highest sequence!