Well I was thinking of the electric system mentioned in the previous post, and I had a great idea for an electric system. Minecraft has the problem of having Redstone (Electric) Circuits that take up more room then the first computer man kind built, and that was just for a 4 digit combolock. My idea includes a new blueprints kind of thing except with circuits and the ending result would be tiny and end up the size of a chip and will do the same work as a 50x50 combo lock . Might post images later. (And also can we put a password on our blue prints?!)