Chances are good you've walked past a coin counting machine at some point. While they promise an easy way to count your spare ...

What better way for worlds to collide than to build a working LEGO coin sorter? [brickstudios]’ sorter does it all — pennies, nickels, dimes, quarters, half-dollars, and dollars. As with most ...

And if you’re a hacker, you’ll obviously build a sorting machine to do the job for you. As quite often happens, his work is based on an earlier design, but he ends up adding lots of ...