搖桿+喇叭 範例

 

const int speakerPin = 9;  // 連接喇叭的腳位

const int joystickX = A0;  // 搖桿 X 軸輸入

const int joystickY = A1;  // 搖桿 Y 軸輸入

const int centerThreshold = 100; // 中立範圍

void playMelody(int melody[], int noteDurations[], int noteCount) {

    for (int i = 0; i < noteCount; i++) {

        tone(speakerPin, melody[i], noteDurations[i]);

        delay(noteDurations[i] + 50);

    }

    noTone(speakerPin);

}

// 🎂 生日快樂歌

int melodyHappyBirthday[] = {262, 262, 294, 262, 349, 330, 262, 262, 294, 262, 392, 349};

int noteDurationsHappyBirthday[] = {300, 300, 600, 600, 600, 1200, 300, 300, 600, 600, 600, 1200};

// 🎺 歡樂頌

int melodyOdeToJoy[] = {392, 392, 440, 392, 349, 330, 262, 294, 330, 349, 392, 392, 392};

int noteDurationsOdeToJoy[] = {300, 300, 600, 600, 600, 600, 300, 300, 600, 600, 600, 600, 1200};

// 🎶 愛麗絲

int melodyFurElise[] = {659, 622, 659, 622, 659, 494, 587, 523, 440, 262, 330, 440};

int noteDurationsFurElise[] = {300, 300, 600, 600, 600, 600, 300, 300, 600, 600, 600, 1200};

// ⭐ 小星星

int melodyTwinkleStar[] = {262, 262, 392, 392, 440, 440, 392, 349, 349, 330, 330, 294, 294, 262};

int noteDurationsTwinkleStar[] = {300, 300, 600, 600, 600, 600, 1200, 300, 300, 600, 600, 600, 600, 1200};

void setup() {

    pinMode(speakerPin, OUTPUT);

    Serial.begin(9600);

}

void loop() {

    int xValue = analogRead(joystickX);

    int yValue = analogRead(joystickY);

    // 根據搖桿方向播放不同旋律

    if (yValue < 512 - centerThreshold) {

        playMelody(melodyHappyBirthday, noteDurationsHappyBirthday, 12); // 上：生日快樂

    } else if (xValue > 512 + centerThreshold) {

        playMelody(melodyOdeToJoy, noteDurationsOdeToJoy, 13); // 右：歡樂頌

    } else if (yValue > 512 + centerThreshold) {

        playMelody(melodyFurElise, noteDurationsFurElise, 12); // 下：愛麗絲

    } else if (xValue < 512 - centerThreshold) {

        playMelody(melodyTwinkleStar, noteDurationsTwinkleStar, 14); // 左：小星星

    } else {

        noTone(speakerPin); // 中立位置不發聲

    }

    Serial.print("X: ");

    Serial.print(xValue);

    Serial.print(" Y: ");

    Serial.println(yValue);

    delay(500);

}