Tell me more about the working principle of Guangdong vending machine

Let me talk carefully about the working principle of Guangdong vending machines. Guangdong vending machines are divided into traditional non-smart vending machines and smart vending machines. 1. The traditional non-intelligent vending machine inserts paper money or coins, and the currency recognizer performs recognition. Choose goods, press the button of goods selection, the vending machine program will add or subtract cash according to the price of the goods. Shipment, if the input amount is insufficient, there will be a prompt, if the amount is sufficient, it will be shipped directly. Waiting for the customer's further operation, if you choose to change without buying other things, the vending machine will automatically change coins according to the result of the calculation just now, and the shopping is complete. 2. After the smart vending machine selects the goods, the vending machine program will initiate a payment application QR code (WeChat, Alipay or other electronic payment) to the back-end server, and the QR code will be directly displayed on the vending machine display. After the customer scans the code, the back-end server will inquire whether the payment account has received the payment. If it is received, the back-end server will issue a shipment instruction to the vending machine, and the vending machine will ship the goods according to the instruction. In accordance with the provisions of the Food Safety Law, the business administration related to vending machines requires all vending machine operators to publicize the name, address, contact information, and copy of the food business license in a conspicuous place for consumption People have the right to know the food they buy. Vending machines are basically similar to commercial retail procedures, requiring business licenses, tax registration certificates, etc. Food and beverage vending machines: 1. Apply for business licenses of individual industrial and commercial households or business licenses of enterprises. 2. The business scope involves pre-approval to relevant departments for pre-approval documents. We have been focusing on unmanned vending machines in Dongguan for many years. There are many types of products produced, and the quality and performance are very problematic, so they have been widely used in our lives. Due to time, we will introduce it to you today. Previous: What are the procedures and certificates required for the operation of the vending machine Next: What are the 3 points to pay attention to when selecting the location of the beverage retail vending machine