Build a Piano Roll Music Visualizer with Arduino – Scrolling LED Display Kit

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

Turn any melody into a mesmerizing piano-roll light show. The DFPlayer Mini plays high-quality MP3 tracks from a MicroSD card while four MAX7219 LED matrices scroll musical notes across the display in real-time synchronization. Whether you're creating a interactive music installation or a stunning desk gadget, this kit delivers professional audio-visual integration from the first power-up.

What You'll Build

You’ll assemble a self-contained music visualizer that reads MP3 files from the included 8GB MicroSD card, plays them through a 3W speaker, and simultaneously drives a 32×8 LED matrix to display scrolling notes. The result is a plug-and-play gadget that lights up in harmony with your tracks, perfect for demonstrating embedded audio systems or adding a wow factor to your study space.

What You'll Learn

• Interface the DFPlayer Mini module to play and control MP3 files from an Arduino Uno.
• Drive multiple MAX7219 LED matrices using SPI communication and the LedControl library.
• Synchronize audio playback with real-time visual animations through precise serial commands.
• Assemble a complete portable audio-visual system with power management and wiring best practices.

Kit Contents

Why Buy This Kit Instead of Sourcing Parts Separately

Who This Kit Is For

Ideal for CBSE Class 11–12 students building a computer science or physics project, B.Tech ECE/EEE learners exploring embedded audio systems, and ATL Tinkering Lab innovators prototyping music-tech ideas. Strongly recommended for Smart India Hackathon participants and mini-project submissions at IIT, NIT, VIT, or BITS Pilani.

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.