This would be a fantastic addition to your own projects. Since the audio connection only needs to be mono, it only takes just one Arduino pin to add this jack (the other is a ground connection).

10 Simple-But-Fun Projects to Make With Arduino John Boxall, author of the new book Arduino Workshop, shares a few of the projects from his book on how to get started with the microcontroller.

The Arduino team, known for providing various electronic and microcontroller components for do-it-yourself electronic hobbyists since 2005, has announced its new product, the Plug and Make Kit.

Arduino enthusiasts or those looking to learn more about programming with Arduino and electronics-in-general may be interested in a new Kickstarter campaign and Arduino compatible 42-Digit SPI ...

Arduino enthusiasts that are building projects that need audio support may be interested in a new Arduino audio shield which has been created by a serial Kickstarter entrepreneur Masih Vahida ...

It intercepts the SPI calls from the Arduino to an SRAM chip, and translates the address information to find the appropriate data on a collection of 23K256 devices.