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Real-Time Automatic Calculation of Euro Coins and Banknotes in a Cash Drawer

机译:实时自动计算现金抽屉中的欧元硬币和纸币

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摘要

A very interesting and useful complement to classical cash-registers is presented in this paper, coming up with a real-time auto-counting solution for the money inside a cash drawer. The system allows knowing not only the total amount of money but also how many coins and banknotes there are of each value. The embedded solution developed has been intended to become a low-cost solution, allowing better control over the money and helping both owners and workers in the establishments. By using this system, new utilities including automatic final balancing, instant error handling when making operations, and the lack of certain types of banknotes or coins inside the drawer or the excess of some in a certain compartment, could be implemented. Coins-counting solution is based on their weight, and small individual scales made by load cells have been integrated in each coin compartment. With respect to the banknotes, an innovative alternative based on the electrical properties of capacitors is presented. Additionally, considering the relevance of interoperability in today’s systems, a Bluetooth module has been integrated into the system, allowing for data to be accessed remotely from any smartphone, tablet or computer within the range of the module. In this work, an Android application to both control and interact with the system has also been designed.
机译:本文提出了一种对经典收银机非常有趣且有用的补充,并提出了针对现金抽屉内资金的实时自动计数解决方案。该系统不仅可以知道总金额,还可以知道每种值有多少枚硬币和钞票。开发的嵌入式解决方案旨在成为一种低成本解决方案,可以更好地控制资金,并为企业的业主和工人提供帮助。通过使用该系统,可以实现新的实用程序,包括自动最终平衡,进行操作时的即时错误处理以及抽屉内缺少某些类型的钞票或硬币或某些隔间中没有多余的钞票或硬币。硬币计数解决方案基于它们的重量,并且在每个硬币隔室中都集成了由称重传感器制成的小型独立秤。关于钞票,提出了一种基于电容器的电特性的创新替代方案。此外,考虑到当今系统中互操作性的重要性,蓝牙模块已集成到系统中,允许从模块范围内的任何智能手机,平板电脑或计算机远程访问数据。在这项工作中,还设计了一个既可以控制系统又可以与系统交互的Android应用程序。

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