Vending-machine function expansion device and method
A technology for automatic vending machines and expansion equipment, which is applied in the directions of coin-operated equipment for distributing discrete items, coin-operated equipment for distributing discrete items, coin-operated equipment for distributing discrete items, etc. It is not the same, the cost of upgrading is high, and it is difficult to interconnect and interoperate, so as to save the cost of development and upgrade, ensure the reliability of operation, and have a broad application prospect.
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[0055] Specific embodiments of the present invention will be described in detail below in conjunction with specific drawings. It should be noted that the technical features or combinations of technical features described in the following embodiments should not be regarded as isolated, and they can be combined with each other to achieve better technical effects. In the drawings of the following embodiments, the same reference numerals appearing in each drawing represent the same features or components, which can be applied in different embodiments.
[0056] Such as figure 1 As shown, an automatic vending machine function expansion device according to the embodiment of the present invention includes a main controller and a touch display screen, and the main controller includes: a central processing unit, RAM, and ROM; the function expansion device also includes simulated keyboard information Input interface, analog keyboard information output interface, analog keyboard signal c...
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