A simplified wiring system for an electronically controlled vending machine of the type capable of vending multiple products out of columns, trays or other queuing means, wherein by employing DC motors and various novel circuits, one may reduce controller complexity and assembly time. Selector button...http://www.google.co.uk/patents/US6008597?utm_source=gb-gplus-sharePatent US6008597 - DC-motor driven vending machine having simplified controls
