An anonymous reader writes: Arnie is a modded Dixie Narco Bev Max 3 vending machine. I ripped out all of the bill validation parts and added an RFID reader and a touch screen. Also learned to interface with MDB, a vending machine protocol.
The interface is written in C++/OpenFrameworks.
His backend uses MySQL and PHP, along with a hacked version of Wordpress to handle all of our users, which now number over 400.
Oh, and he serves free beer.