MP3 Trigger
Product description
The MP3 Trigger is an audio development platform that allows you to easily add music and sound effects to your project. Embedded MP3 Player has 18 trigger input which selects which MP3 track is played from the microSD card. Trigger inputs can be connected directly to switches and buttons, or to digital outputs from sensors or another microcontroller.
More information is available on the website of SparkFun