Plus, it'll provide a bit of extra light around your base at night, since there'd be Redstone strewn about everywhere. Hopefully you like the color red, or at the very least, don't mind it.

With this setup, [Angus] can control LEDs on the PiFace by toggling Minecraft levers, or light up redstone lamps using the PiFace’s buttons. If you’d like to try this out for yourself ...