30May/080
Bills Counter
How is billing electricity meters and vending machines, dollar bills to determine the five / ten / dollar bills etc?
I'm working on a school project where I make a circuit board to emulate a snack machine and wonder how to make a sensor to do this ... I do not know how to tell a one of five without using any image scanner / filter program that, obviously, not how working from that sort of thing would be too expensive to add to a coke machine simple. Does anyone know how this sort of thing is done in the industry in the real world?
You will be surprised what goes into a simple machine coke. " "Also known as bill validators and acceptors, detectors currency of paper money using flexible scanning optical and magnetic sensors. After validation, the bill validator will inform the control of the machine Vending (VMC) or a host device, a credit through a parallel interface or serial. There are several interfaces for the host device including pulse line single interface, a parallel line multi-interface, a multi-line binary interface, and serial interfaces, as ccTalk, SSP, and MDB2PC MDB2USB ". Http://en.wikipedia.org/wiki/Bill_validator # Paper_currency_detectors
Cassida 5510 UV Bill Counter
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