Vending machine coin and paper currency recognition.?
I am curious as to how vending machines recognize different coins and bills inserted into them. If anyone will point me to a more detailed article on the subject or even a brief explanation would be great.
coins are done by size weight and if it has a reed.
bills are scanned by a bill reader.
check out the www.coinco.com coin mechanism.
Whitman Coin & Currency Convention, Spring 2008: Kids Korner
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