Clap-Controlled MP3 Player Kit with Arduino Uno + Sensor
Arduino Clap-Controlled MP3 Player Kit with DFPlayer Mini & Sound Sensor – Learn Audio Coding, Sensor Triggers & Clap Patterns
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Imagine clapping twice to play your favourite track, three times to skip, and a single clap to pause — all without touching a button. With this kit you build a fully functional MP3 player that listens to your claps, using an Arduino Uno and DFPlayer Mini. Whether you’re demonstrating at a school science fair, presenting at Smart India Hackathon, or just want a hands-free music system in your room, this project turns sound into control.
What You'll Build
You’ll assemble and program a sound-activated music player that stores MP3 files on a microSD card. The DFPlayer Mini decodes tracks and feeds them to the speaker, while the KY-038 sound sensor picks up clap patterns. You’ll code the Arduino to recognise single, double, and triple claps and map them to play, pause, and skip, while a potentiometer gives you a physical volume knob.
What You'll Learn
- Control DFPlayer Mini via UART serial commands to manage MP3 playback
- Read analog signals from the KY-038 sound sensor and set trigger thresholds
- Implement clap pattern detection in Arduino code (timing between successive claps)
- Adjust audio volume using a potentiometer and filter signals with resistors and capacitors
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Uno R3 | 1 |
| DFPlayer Mini | 1 |
| MicroSD Card 8GB | 1 |
| KY-038 Sound Sensor | 1 |
| 10kΩ Potentiometer | 1 |
| 3W 8Ω Speaker | 1 |
| 1kΩ Resistors | 5 |
| 10kΩ Resistors | 5 |
| 100nF Caps | 5 |
| 400-pt Breadboard | 1 |
| M-M Wires | 25 |
| 9V Battery Snap | 1 |
Why Buy This Kit Instead of Sourcing Parts Separately
| Factor | Sourcing Separately | Compoden Kit |
|---|---|---|
| Compatibility checks | You verify every part | Pre-tested as a system |
| Build support | Forums and scattered tutorials | AI companion trained on this exact project |
| Time to first working build | Days of debugging | Hours, with step-by-step guidance |
| Shipping coordination | Multiple sellers, multiple delays | One shipment from Bengaluru in 3-5 days |
Who This Kit Is For
This intermediate kit is designed for CBSE Class 11–12 students who need a standout innovation project, B.Tech ECE/EEE undergrads preparing for Smart India Hackathon, and ATL Tinkering Lab members exploring audio electronics. If you’ve already built an LED blink with Arduino and want to add real sensor-driven interactivity, this is your perfect next step.
Built and Backed by Compoden
Every Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.
What if I get stuck during the build?
Scan the QR code inside the box to open the AI companion, which walks you through wiring, code upload, and troubleshooting. You can also drop a WhatsApp message for quick help from our team.
Do I need soldering to complete this kit?
No. All connections are made on a 400-point breadboard with pre-stripped jumper wires. The DFPlayer Mini, sound sensor, and other modules plug directly into the board.
Can I change the clap patterns – for example, use the number of claps to select a specific track?
Absolutely. The provided Arduino sketch is clearly commented, and you can modify the clap-count logic to map any number of claps to any DFPlayer command (play specific track, volume up/down, etc.).
Is this kit suitable for a school science exhibition?
Yes. The clap-responsive music demo always draws a crowd, and the clear build guide helps you explain the sensor, microcontroller, and audio circuitry – impressive for CBSE or inter‑college exhibitions.
DFPlayer Mini plays MP3 files from SD card. Clap patterns skip, pause or play tracks. Volume via potentiometer.
What's in this kit
- Arduino Uno R3
- DFPlayer Mini
- MicroSD Card 8GB
- KY-038 Sound Sensor
- 10kΩ Potentiometer
- 3W 8Ω Speaker
- 1kΩ Resistors x5
- 10kΩ Resistors x5
- 100nF Caps x5
- 400-pt Breadboard
- M-M Wires x25
- 9V Battery Snap
Other projects you can build
Shipping Information
- Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
- COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
- Delivery Timeline: Dispatch in 1-2 days, delivery in 2-7 days depending on location
Returns & Warranty
- 7-Day Return: Manufacturing defects only (approval required)
- Warranty: 7 days from delivery
- Non-Returnable: Batteries, consumables, cut wires, clearance items