How Do Vending Machines Accept Money?
Overview of a Vending Machine A vending machine is essentially a large computer that uses mechanical energy to vend items, such as food and cigarettes. Perhaps its most amazing aspect is its ability to read and distinguish between various kinds of money, such as bills and coins. Vending machines can determine whether an amount of money corresponds to the item desired, such as a candy bar. How a Vending Machine Accepts Paper Money Let’s say a customer puts one dollar into a vending machine. He places it through a slot, which uses “feed dogs,” or a rolling treadmill, to accept the dollar. Once the machine accepts the dollar, it holds it in a computer scanning area. The type of scan it uses to read the money differs, depending on the age and make of the machine. However, most machines use a magnetic scan that reads the magnetic ink of the dollar bill. The machine reads the amount of the money by reading the fluoresence of the amount markers on the bill. Other machines, it is worth noting,
