Arduino Polyphonic Ringtone Player Kit – Build a Custom Music System That Plays Your Tones

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 a compact device that stores up to 20 ringtones you’ve personally chosen, plays them at the press of a button, and displays the song name on a bright LCD. This kit lets you build exactly that—a polyphonic ringtone player powered by an Arduino Uno and a DFPlayer Mini. Whether you need a standout CBSE class project, a Smart India Hackathon prototype, or a hands-on way to understand audio processing and serial communication, every component arrives together, pre-verified to work as a complete system.

What You'll Build

You'll assemble a full-fledged music player that reads MP3 files from a microSD card and plays them through a dedicated speaker. Three tactile buttons control play/pause, next track, and previous track, while a 10kΩ potentiometer adjusts volume smoothly. The 16x2 I2C LCD shows the current ringtone name, turning a breadboard of wires into a polished device you can proudly present at school exhibitions, college mini-project evaluations, or ATL Tinkering Lab demos.

What You'll Learn

• Interfacing DFPlayer Mini with Arduino Uno using UART serial commands to control playback
• Capturing and displaying song names on an I2C LCD in real time
• Reading analog input from a potentiometer and mapping it to digital volume levels
• Organizing MP3 files on a microSD card and handling module power requirements with decoupling capacitors

Kit Contents

DFPlayer plays 20 custom ringtones from SD card. LCD shows song name. Volume via potentiometer.

What's in this kit

• Arduino Uno R3
• DFPlayer Mini
• MicroSD Card 8GB
• 16x2 LCD
• I2C Backpack
• 10kΩ Potentiometer
• Tactile Button x3
• 3W 8Ω Speaker
• 1kΩ Resistors x5
• 100nF Caps x5
• 400-pt Breadboard
• M-M Wires x25
• 9V Battery Snap