"Hello world" Peripheral for the Icezum Alhambra ( https://github.com/FPGAwars/icezum ) OpenFPGA board. It has a micro-switch
The board has been designed with the opensource tool FreeCAD ( http://www.freecadweb.org )
You can find more information in this Github repo: https://github.com/PCBPrints/Alhambra-button/wiki
Juan Gonzalez-Gomez (Obijuan) I am a researcher on robotics, but I define myself as a hacker. I really believe on the opensource spirit of sharing information