This is a Lego Mindstorms designed Coin Sorter. This sorter will sort a handful of coins dumped into it’s separator. The NXT displays how many of each type of coin sorted and the total amount of money sorted.
Editor at large – Make magazine. Creative director – Adafruit Industries, contributing editor – Popular Science. Previously: Founded – Hack-a-Day, how-to editor – Engadget, Director of product development – Fallon Worldwide, Technology Director – Braincraft.