MP3 Player Shield Hookup Guide V15

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Contributors: jimblom, Byron J.
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Introduction

Are you looking to add some grooves to your project. Does your haunted house or Halloween costume need some sound effects embedded into it? Do you just want to be able to say you built your own MP3 player? The MP3 Player Shield is an easy way to add music or sound effects to your project.

SparkFun MP3 Player Shield

SparkFun MP3 Player Shield

DEV-12660
$26.95
14

In this tutorial we'll examine all of the ins and outs of the MP3 Player Shield. Then we'll go on to introduce some example code. Hopefully, after reading through this tutorial, you'll be inspired to make the next, great MP3 Shield Music Box or another rockin', music-playing Arduino project.

Requirements

To follow along with this tutorial you'll need the following items:

Check Your Hardware Version

This hookup guide describes output configuration features that were added to the V1.5 revision of the MP3 shield.

If you're not sure which version you've got, there's a version number on the bottom copper layer, underneath the headphone jack, as shown below. This guide is for boards marked "V15" (The decimal is omitted from the copper, so the version 1.5 PCB is marked 15).

PCB version numbers

At Top: Older Revision (4-1-11)
Below: Current Revision (V15)

If you have an older version of the MP3 shield, marked with the date code "4-1-11", you can find the matching hookup guide here. The most significant difference is that the V15 board adds the components to enable the AC-coupled line output.

Suggested Reading

Before launching into this tutorial, there are a few basic concepts you should be familiar with. If the subject of these tutorials sounds foreign to you, read about it before continuing on with this hookup guide.