At Hack A Day, we're pretty big Minecraft fans so you can imagine our interest when we saw [Ben Purdy]'s real-life Minecraft block. The build uses a projector system to display a block onto a cardboard box and reacts to being 'mined' just like in the game. Block animation is handled by a piezo sensor, an Arduino and a Processing sketch. From earlier posts on [Ben's] blog, we're going to guess … [Read more...]