Arduino Shield List

Lars Schumann Double D-Pad Shield

Shield URL: Double D-Pad Shield
Tags: game
Maker: Lars Schumann

Provides 8 buttons laid out in a similar way to a double-D game controller.

Open Source: Yes, OSHW-compliant
License: CC BY-SA 3.0
Source: http://make.larsi.org/DoubleD-PadShie...
License Note: Source files are provided for both schematic and PCB layout, but no license is explicitly stated in them. The project page says CC BY-SA 3.0 but that may only apply to the page content, not the project files.