Build Your Custom Polyphonic Ringtone Player with Arduino Uno

Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.

Load 20 custom ringtones onto an SD card and play them through a crisp speaker, with song names displayed on a bright 16x2 LCD. Twist the potentiometer to adjust volume and use three tactile buttons to navigate tracks — a fully functional ringtone player that fits on a breadboard. This kit turns your Arduino Uno into a standalone audio device you can embed in a custom enclosure or use as a learning platform for serial MP3 playback and user interface design.

What You'll Build

A standalone ringtone player that reads MP3 files from a microSD card using a DFPlayer Mini module. The I2C LCD shows the track number and filename in real time. Three buttons let you play/pause, skip forward, and skip backward, while a 10kΩ potentiometer provides smooth volume control. Everything connects on a 400‑point breadboard, ready to be mounted into a permanent case.

What You'll Learn

• Interfacing a serial MP3 player module (DFPlayer Mini) with Arduino Uno
• Displaying dynamic text on an I2C 16x2 LCD
• Reading analog values for volume control using a potentiometer
• Implementing button debounce and playback state management

Kit Contents

Why Buy This Kit Instead of Sourcing Parts Separately

Who This Kit Is For

Ideal for CBSE Class 11-12 students working on audio‑based microcontroller projects, B.Tech ECE/EEE majors exploring embedded media systems, and Smart India Hackathon participants building custom music or notification devices. ATL Tinkering Lab learners will appreciate the clear build flow and real-time feedback on the LCD.

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.