Tune Replay Arduino Project Circuit for Beginners


In This Project, we are going to make a Tune Replay Arduino Project Circuit for Beginners. Basically, The Tune Replay Arduino Project is an exciting project that involves creating a circuit that can replay a tune when a button is pressed. This project is an excellent way for beginners to learn about Arduino programming, electronics, and circuit design.

The circuit consists of an Arduino board, a piezo disk or 8-ohm loudspeaker, a push-button switch, a 10uF capacitor (if using a loudspeaker), and an electronic breadboard with jumper wires.

Hardware Required

Components#Buy From Amazon
Arduino UNO1Buy Now
Loudspeaker 8Ω1Buy Now
OR Piezo disk1Buy Now
Capacitor 10uF For loudspeaker1Buy Now
Push-button switch1Buy Now
Jumper WiresFewBuy Now
Breadboard1Buy Now

Circuit Diagram with Loudspeaker

In this Circuit we make with Loudspeaker To protect the Arduino pin from drawing too much current and potentially damaging the board, a 10uF capacitor is connected in series with the loudspeaker. This capacitor acts as a DC-blocking capacitor, preventing the loudspeaker from drawing excessive current from the Arduino pin when it is left in a high state. By limiting the amount of current that can flow through the circuit, the capacitor helps to ensure the safe and reliable operation of the loudspeaker and the Arduino board.


Circuit Diagram with Piezo disc

When using a piezo disc, a series capacitor or resistor may not be necessary. This is because the piezo disk behaves more like a capacitor than a resistive element, with a high resistance that typically won’t draw too much current from the Arduino pin. However, depending on the specific circuit and use case, it may still be advisable to use a series resistor to limit the current or to protect the Arduino from voltage spikes that could be generated by the piezo element. It is always important to carefully consider the requirements and potential risks of any circuit before implementation.


Working Explanations

The Tune Replay Arduino Project uses an Arduino board to control the playback of a tune. The board is programmed to output a signal to the piezo disk or loudspeaker in a specific pattern, creating the tune. The push-button switch is used to start the tune playback.

The circuit uses a piezo disk or loudspeaker to create sound. The piezo disk is a type of electronic component that converts an electrical signal into sound waves. The loudspeaker is a more traditional component that also converts an electrical signal into sound waves.

When the push-button switch is pressed, the Arduino board sends a signal to the piezo disk or loudspeaker, which begins to play the tune. The 10uF capacitor is used to smooth out any voltage spikes and protect the loudspeaker from damage.

Installing Arduino IDE Software

First, you will require to Download the updated version of Arduino IDE Software and Install it on your PC or laptop. if you Learn How to install the Arduino step-by-step guide then click on how to install Arduino Button given Blow


To set up the project, now follow the steps given below:

  1. Connect the hardware as shown in the Circuit diagram above.
  2. Open a new window in the Arduino IDE and copy the following sketch.
  3. Connect the Arduino to the computer using a USB cable and upload the sketch to the board.
  4. Once the sketch is uploaded, the tune will play automatically.
  5. Press the button to play the tune again.
  6. Now, this process is repeated again and again By Pressing the Button.
//For more Projects: www.arduinocircuit.com
#define NOTE_C3  131
#define NOTE_CS3 139
#define NOTE_D3  147
#define NOTE_DS3 156
#define NOTE_E3  165
#define NOTE_F3  175
#define NOTE_FS3 185
#define NOTE_G3  196
#define NOTE_GS3 208
#define NOTE_A3  220
#define NOTE_AS3 233
#define NOTE_B3  247
#define NOTE_C4  262
#define NOTE_CS4 277
#define NOTE_D4  294
#define NOTE_DS4 311
#define NOTE_E4  330
#define NOTE_F4  349
#define NOTE_FS4 370
#define NOTE_G4  392
#define NOTE_GS4 415
#define NOTE_A4  440
#define NOTE_AS4 466
#define NOTE_B4  494

// notes in the melody: from guitar study by Sor
int melody[] = {

// note durations: 4 = quarter note, 8 = eighth note, etc.:
int noteDurations[] = {
  4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2

void setup() {
  pinMode(2, INPUT_PULLUP); // push-button switch on pin 2, use internal pull-up resistor
  PlayTune();               // play tune at start-up

void loop() {
  // play tune again if button on digital pin 2 is pressed
  if (!digitalRead(2)) {

// a function that plays the tune
void PlayTune()
  // iterate over the notes of the melody:
  for (int thisNote = 0; thisNote < 30; thisNote++) {

    // to calculate the note duration, take one second
    // divided by the note type.
    //e.g. quarter note = 1000 / 4, eighth note = 1000/8, etc.
    int noteDuration = 1500 / noteDurations[thisNote];
    tone(8, melody[thisNote], noteDuration);

    // to distinguish the notes, set a minimum time between them.
    // the note's duration + 30% seems to work well:
    int pauseBetweenNotes = noteDuration * 1.30;
    // stop the tone playing:


The Tune Replay Arduino Project has several practical applications. It can be used as a simple musical instrument or as part of a larger musical project. It can also be used as an alarm or notification system, as the tune playback can be used to alert the user of a specific event or condition.

The project can also be expanded by adding more buttons and tunes, creating a more complex musical instrument. Additionally, the circuit can be modified and expanded to control other electronic devices, such as motors, servos, or sensors, making it a versatile tool for electronics enthusiasts.


In conclusion, the Tune Replay Arduino Project is an excellent way to learn about electronics, programming, and circuit design. The project is easy to build and requires only a few components, making it an ideal project for beginners. With its practical applications and potential for expansion, the project is a fun and useful addition to any electronics enthusiast’s toolkit.

See Also

  1. Arduino Choice of LED Ignition with 2 Buttons
  2. Dual LED Chaser Arduino Project Circuit for Beginners
  3. Moving Light Display Arduino Project Circuit for Beginners

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