Home / M-Projects / Mlekomat (Vending Manager)
In our project, we follow the classic idea of a vending system in a completely new version. By using new solutions, we are able to provide users 24-hour control over the sales system and the condition of the product. As the name suggests, the vending machine is designed to support the sale of fresh milk supplemented with self-complementary sales charts (helpful in running a business). The idea is for users simple - be able to buy milk remotely to collect it at any time.
Communication between machines, server and clients is done with GraphQl, that is open source language for inquiries and manipulation of given. The heart of our Mlekomat is platform computer Raspberry Pi version 3 extended with a main board designed by us MR_ADAPT_400 and I2C adapter. Communication between components is done using multiple protocols including designed by our company MRAP (Mayeryn Asynchronous Protocol) thanks to which we can receive and send data to the distance sensor used for calculating the amount of milk that is currently available in the machine. Embedded part has been programmed with the use of Java and C ++ . The user interface uses a library JavaFx . The system allows the user for the purchase of milk in the machine and collection of the previously booked order. Additionally, we implemented logic, which when the machine does not have the right amount of money to give the change, displays suggested suggestions. For machine owner and service technician it is possible to log into the system directly on the machine . It allows the access to additional functions such as cleaning the machine, switching the machine to manual operation or milk delivery update. The application and all its components will be hosted in full focal point for the entire system using Apache Tomcat Server. For each user and every profile type (Owner, Service technician or Customer) the relevant functions will be supported. In order to facilitate the process of booking and selling milk, an intuitive mobile Android app was created. Thanks to that, the client will be able to make minor modifications to orders. Continuous Integration - development work has been done supported by the implemented CI system, thanks to which each additional functionality is launched with all the tests before it is added to the main repository. CI was done with the functionality of GitLab Server. Thanks to such solution we have constant control over the added pieces of code. Additionally, our CI automatically increases system version number when adding new functions.
Documentation
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