AY-3-8910 shield on Arduino duemilanove.

A basic shield built around the General Instrument AY-3-8910 Programmable Sound Generator (). From wikipedia: “The AY-3-8910 and its variants became popular chips in many arcade games, and were used on, among others, the Intellivision and Vectrex video game consoles and the MSX, Amstrad CPC, Oric 1, Colour Genie, Elektor TV Games Computer and Sinclair ZX Spectrum 128/ 2/ 3 home computers as well as the Mockingboard sound card for the Apple II family.