See how the vending machine recognizes coins?

When using a vending machine to buy something, every time a coin is thrown in, how does it determine how much of the coin is? How does the banknote determine the face value? And... how is the authenticity determined? ?　　You must have been curious about how the vending machine recognizes coins? It's time to open the inside of the machine, and at the same time, you will find that these daily automations are actually very fascinating........　　1. First, the sensor coil detects coins first The size of the electromagnet, and the electromagnet detects its material.　　2. At the moment the coin is dropped, the machine will determine the coins and sort them out.　　3. When an abnormality is found, the counterfeit currency will be ejected.　　 4. When giving you change, the machine will release coins one by one.　　 5. These steps can help people count nearly 15,000 coins a year. And how does the vending machine ensure that you get your own food? Behind the vending machine's keyhole, there is a microcomputer that controls the corresponding 132 matchbox-sized motors.　　 6. These motors can drive the wheel to rotate 360 u200bu200bdegrees.　　7. When the food falls, it will pass through 10 infrared beams. If the infrared does not sense anything, the computer will issue an instruction to withdraw the coin.　　 This article is organized by self-service vending machines, this article does not represent the point of view of this site Previous post: The development of unmanned vending machines in groups leads the trend of new retail!