Trinity Walton Club Activity Archive

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Session 1 – Combo Sensor Project

Session 2 – Keypad-Controlled Monitoring System with Sensors

Session 3 – Keypad-Controlled Smart Lighting with Motion Sensor & Auto-Off

Session 4 – Sound Detector with Arduino

Session 5 – Arduino Call and Response Game

Session 6 – Arduino Game Console

Session 1 – Combo Sensor Project

Session 1:

Worksheet

Session 2 – Keypad-Controlled Monitoring System with Sensors

Session 2:

Worksheet

Code

Session 3 – Keypad-Controlled Smart Lighting with Motion Sensor & Auto-Off

Session 3:

Worksheet

Code

Session 4 – Sound Detector with Arduino

Session 4:

Worksheet

Session 5 – Arduino Call and Response

Session 5:

Worksheet

Session 6 – Arduino Game Console

Session 6:

#include <Wire.h> 

#include <LiquidCrystal_I2C.h> 

 

LiquidCrystal_I2C lcd(0x27, 16, 2); 

 

const int micDigitalPin = 2; 

const int micAnalogPin = A2; 

const int greenButtonPin = 4; 

const int redButtonPin = 6; 

const int blueLedPin = 10; 

const int greenLedPin = 8; 

const int redLedPin = 7; 

 

int score = 0; 

bool gameRunning = false; 

unsigned long gameStartTime = 0; 

const unsigned long gameDuration = 60000; 

const unsigned long eventInterval = 6000; 

unsigned long lastEventTime = 0; 

bool greenButtonPrevState = LOW; 

bool redButtonPrevState = LOW; 

bool blueLedActive = false; 

 

void setup() { 

    Serial.begin(9600); 

    lcd.init(); 

    lcd.backlight();
lcd.print("Game Loading..."); 

    pinMode(micDigitalPin, INPUT); 

    pinMode(micAnalogPin, INPUT); 

    pinMode(greenButtonPin, INPUT); 

    pinMode(redButtonPin, INPUT); 

    pinMode(blueLedPin, OUTPUT); 

    pinMode(greenLedPin, OUTPUT); 

    pinMode(redLedPin, OUTPUT); 

    delay(3000); 

    gameStart(); 

} 

 

void loop() { 

    if (gameRunning) { 

        if (millis() - gameStartTime >= gameDuration) { 

            gameOver(); 

        } 

        checkButtonPress(greenButtonPin, greenLedPin, greenButtonPrevState); 

        checkButtonPress(redButtonPin, redLedPin, redButtonPrevState); 

        checkMicrophone(); 

         

        if (millis() - lastEventTime >= eventInterval) { 

            lastEventTime = millis(); 

            int event = random(0, 3); 

            if (event == 0) { 

                digitalWrite(blueLedPin, HIGH); 

                blueLedActive = true; 

            } else if (event == 1) { 

                digitalWrite(greenLedPin, HIGH); 

            } else { 

                digitalWrite(redLedPin, HIGH); 

            } 

        } 

    } 

} 

 

void checkButtonPress(int buttonPin, int ledPin, bool &prevState) { 

    bool currentState = digitalRead(buttonPin); 

    if (currentState == HIGH && prevState == LOW) { // Detect state change 

        score++; 

        lcd.clear(); 
  lcd.print("Score: "); 

        lcd.print(score); 

        Serial.println("Button Pressed! Score: " + String(score)); 

        digitalWrite(ledPin, LOW); 

    } 

    prevState = currentState; 

} 

 

void checkMicrophone() { 

    if (blueLedActive) { 

        int soundLevel = analogRead(micAnalogPin); 

        if (soundLevel > 200) { // Adjust threshold as needed 

            score++; 

            lcd.clear(); 

            lcd.print("Score: "); 

            lcd.print(score); 

            Serial.println("Sound Detected! Score: " + String(score)); 

            digitalWrite(blueLedPin, LOW); 

            blueLedActive = false; 

        } 

    } 

} 

 

void gameStart() { 

    gameRunning = true; 

    score = 0; 

    gameStartTime = millis(); 

    lastEventTime = millis(); 

    lcd.clear(); 

    lcd.print("Score: "); 

    lcd.print(score); 

    delay(2000); 

} 

 

void gameOver() { 

    lcd.clear(); 

    lcd.print("Game Over!"); 

    lcd.setCursor(0, 1); 

    lcd.print("Final Score: "); 

    lcd.print(score); 

    gameRunning = false; 

    delay(5000); 

}  

Worksheet