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 How does a vending machine know you have given the correct amount of change?

Answer As coins are entered into a vending machine, they pass electromagnets, disturbing the energy field created by the magnets. Depending upon the size of the coin, the energy field will be affected dif... Read More »
http://www.answerbag.com/q_view/2211466

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How to Change the Price on a Vending Machine?

There are many different brands and types of vending machines, but every machine requires similar actions to change the prices of products inside. The most common machine is called a bubble front,... Read More »
http://www.ehow.com/how_7375052_change-price-vending-machine.html

How to Buy Something from a Vending Machine That Demands Exact Change when All You Have Is Bills?

Ever crave something from a vending machine and slip your dollar bill into it only to have it spit back out and see the error message 'Must Use Exact Change'? If your vending machine isn't a solita... Read More »
http://www.wikihow.com/Buy-Something-from-a-Vending-Machine-That-Demands-Exact-Change-w...

How to Buy From a Vending Machine?

Vending machines are a convenient resource for grabbing a quick snack, sandwich or beverage. New innovations in vending allow consumers to even get items like clothing, calling cards and beauty pro... Read More »
http://www.wikihow.com/Buy-From-a-Vending-Machine

How Do I Get Into the Vending Machine Business?

Vending machines offer benefits as small business starts. Not only can an entrepreneur interested in a vending machine business operate an all-cash venture with a low cost of operation, but also a ... Read More »
http://www.ehow.com/how_6566726_do-vending-machine-business_.html


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